v3.26.1
Subsidiary Guarantor Information - Statement of Cash Flows (Detail)
$ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2025
MXN ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2024
MXN ($)
Dec. 31, 2023
MXN ($)
Operating activities:          
Net (loss) income       $ (780,587,954) $ 8,151,664
Income taxes and duties $ 39,838 $ 715,756   290,281,198 219,999,281
Depreciation and amortization of wells, pipelines, properties, plant and equipment 8,544,622 153,518,664   146,850,208 137,555,276
Amortization of intangible assets 20,039 360,032   626,800 599,627
Impairment of wells, pipelines, properties, plant and equipment 449,579 8,077,449   53,477,580 28,797,518
Unsuccessful wells from intangible assets       25,944,025 4,436,985
Capitalized unsuccessful wells 431,180 7,746,890   13,046,124 29,529,330
Loss from derecognition of disposal of wells, pipelines, properties, plant and equipment 931,459 16,735,240   4,563,204 7,510,572
Depreciation of rights of use 345,760 6,212,172   6,030,194 5,886,840
Unrealized foreign exchange loss in discount rate of reserve for well abandonment       9,126,600 4,638,600
(Profit) loss sharing in associates, net       (961,649) (409,315)
Unrealized foreign exchange (income) loss (10,891,147) (195,677,975)   279,459,341 (221,771,870)
Cancellation of leases (14,334) (257,531)   0 (128,698)
Financing cost 8,347,700 149,980,626   158,901,950 152,171,381
Financing income (663,373) (11,918,617)   (15,669,883) (18,210,377)
Taxes and duties       (190,917,858) (132,571,971)
Accounts receivable, inventories, accounts payable, DFIs and provisions       267,639,782 25,704,219
Employee benefits       55,098,900 60,056,484
Net cash flows from operating activities 8,639,464 155,222,641   322,908,562 311,945,546
Investing activities:          
Acquisition of wells, pipelines, properties, plant and equipment and intangible assets       (262,937,304) (291,950,998)
Other assets and other receivables       (9,381,603) 24,979,341
Net cash flows (used in) investing activities (13,095,192) (235,277,389)   (272,318,907) (266,971,657)
Financing activities:          
Increase in equity due to Certificates of Contribution “A”       156,509,050 166,615,123
Collection and interest collected from the Mexican Government       32,951,605 53,902,357
Lease payments (principal and interest)   (9,333,256)   (8,464,647) (7,775,980)
Loans obtained from financial institutions 49,601,914 891,182,703   1,056,523,887 881,401,059
Debt payments, principal only     $ (2,060,292) (1,148,872,172) (978,854,627)
Interest paid (8,344,024) (149,914,573)   (148,380,958) (144,050,336)
Net cash flows from (used in) financing activities 9,319,139 167,434,189   (59,733,235) (28,762,404)
Net increase (decrease) in cash and cash equivalents 4,863,411 87,379,441   (9,143,580) 16,211,485
Effects of foreign exchange on cash balances (755,285) (13,569,978)   29,238,030 (11,878,620)
Cash and cash equivalents at the beginning of the year 4,944,805 88,841,826   68,747,376 64,414,511
Cash and cash equivalents at the end of the year (Note 9) $ 9,052,931 162,651,289 $ 4,944,805 88,841,826 68,747,376
Eliminations          
Operating activities:          
Net (loss) income       734,623,610 (103,529,824)
(Profit) loss sharing in associates, net       (734,623,610) 103,529,823
Inter-company charges and deductions       332,730,730 329,094,615
Net cash flows from operating activities       332,730,730 329,094,614
Investing activities:          
Acquisition of wells, pipelines, properties, plant and equipment and intangible assets       0  
(Increase) decrease due to Inter-company investing       452,619,807 (315,852,725)
Net cash flows (used in) investing activities       452,619,807 (315,852,725)
Financing activities:          
Inter-company (decrease) increase financing       (785,350,537) (13,241,889)
Net cash flows from (used in) financing activities       (785,350,537) (13,241,889)
Net increase (decrease) in cash and cash equivalents       0  
Cash and cash equivalents at the beginning of the year   0      
Cash and cash equivalents at the end of the year (Note 9)       0  
Petróleos Mexicanos          
Operating activities:          
Net (loss) income       (780,415,854) 8,106,715
Income taxes and duties       54,351,481 (2,510,630)
Depreciation and amortization of wells, pipelines, properties, plant and equipment       583,189 565,065
Amortization of intangible assets       368,048 491,831
Loss from derecognition of disposal of wells, pipelines, properties, plant and equipment       93,070 48
Depreciation of rights of use       573,733 602,527
(Profit) loss sharing in associates, net       716,122,380 (68,641,910)
Unrealized foreign exchange (income) loss       248,097,987 (198,352,926)
Cancellation of leases         (98,421)
Financing cost       138,463,221 132,960,329
Financing income       (8,847,897) (11,196,984)
Taxes and duties       8,010,859 673,056
Accounts receivable, inventories, accounts payable, DFIs and provisions       73,519,714 17,573,923
Employee benefits       6,447,500 15,355,953
Inter-company charges and deductions       63,918,703 (371,155,018)
Net cash flows from operating activities       521,286,134 (475,626,442)
Investing activities:          
Acquisition of wells, pipelines, properties, plant and equipment and intangible assets       (1,520,360) (875,254)
Other assets and other receivables       1,835,746 2,493,369
(Increase) decrease due to Inter-company investing       (452,848,589) 315,439,003
Net cash flows (used in) investing activities       (452,533,203) 317,057,118
Financing activities:          
Increase in equity due to Certificates of Contribution “A”       156,509,050 166,615,123
Collection and interest collected from the Mexican Government       32,951,605 53,902,357
Lease payments (principal and interest)       (388,874) (477,081)
Loans obtained from financial institutions       408,712,952 298,622,440
Debt payments, principal only       (468,379,316) (406,226,899)
Interest paid       (138,298,684) (135,584,431)
Inter-company (decrease) increase financing       (39,525,872) 188,240,825
Net cash flows from (used in) financing activities       (48,419,139) 165,092,334
Net increase (decrease) in cash and cash equivalents       20,333,792 6,523,010
Cash and cash equivalents at the beginning of the year   41,665,854   21,332,062 14,809,052
Cash and cash equivalents at the end of the year (Note 9)       41,665,854 21,332,062
Subsidiary guarantors          
Operating activities:          
Net (loss) income       (699,066,972) 46,234,098
Income taxes and duties       231,791,066 220,521,837
Depreciation and amortization of wells, pipelines, properties, plant and equipment       140,629,882 132,294,655
Amortization of intangible assets       162,285 20,458
Impairment of wells, pipelines, properties, plant and equipment       53,439,595 28,534,696
Unsuccessful wells from intangible assets       25,944,025 4,436,985
Capitalized unsuccessful wells       13,046,124 29,529,330
Loss from derecognition of disposal of wells, pipelines, properties, plant and equipment       3,303,841 6,757,696
Depreciation of rights of use       3,913,069 3,845,999
Unrealized foreign exchange loss in discount rate of reserve for well abandonment       9,126,600 4,638,600
(Profit) loss sharing in associates, net       4,327,032 (72,937)
Unrealized foreign exchange (income) loss       20,788,597 (15,838,600)
Cancellation of leases         (19,643)
Financing cost       12,251,289 11,929,647
Financing income       (4,401,716) (5,147,757)
Taxes and duties       (201,195,432) (132,902,147)
Accounts receivable, inventories, accounts payable, DFIs and provisions       198,930,230 26,704,365
Employee benefits       48,203,352 44,440,075
Inter-company charges and deductions       (393,698,059) 32,322,800
Net cash flows from operating activities       (532,505,192) 438,230,157
Investing activities:          
Acquisition of wells, pipelines, properties, plant and equipment and intangible assets       (199,197,320) (222,997,316)
Other assets and other receivables       (53,656) 1,387,079
Net cash flows (used in) investing activities       (199,250,976) (221,610,237)
Financing activities:          
Lease payments (principal and interest)       (6,255,637) (5,851,936)
Loans obtained from financial institutions       30,633,407 35,205,868
Debt payments, principal only       (52,280,001) (43,573,854)
Interest paid       (13,302,896) (9,352,797)
Inter-company (decrease) increase financing       769,982,956 (196,218,537)
Net cash flows from (used in) financing activities       728,777,829 (219,791,256)
Net increase (decrease) in cash and cash equivalents       (2,978,339) (3,171,336)
Cash and cash equivalents at the beginning of the year   5,143,459   8,121,798 11,293,134
Cash and cash equivalents at the end of the year (Note 9)       5,143,459 8,121,798
Non-guarantor subsidiaries          
Operating activities:          
Net (loss) income       (35,728,738) 57,340,675
Income taxes and duties       4,138,651 1,988,074
Depreciation and amortization of wells, pipelines, properties, plant and equipment       5,637,137 4,695,556
Amortization of intangible assets       96,467 87,338
Impairment of wells, pipelines, properties, plant and equipment       37,985 262,822
Loss from derecognition of disposal of wells, pipelines, properties, plant and equipment       1,166,293 752,828
Depreciation of rights of use       1,543,392 1,438,314
(Profit) loss sharing in associates, net       13,212,549 (35,224,291)
Unrealized foreign exchange (income) loss       10,572,757 (7,580,344)
Cancellation of leases         (10,634)
Financing cost       8,187,440 7,281,405
Financing income       (2,420,270) (1,865,636)
Taxes and duties       2,266,715 (342,880)
Accounts receivable, inventories, accounts payable, DFIs and provisions       (4,810,162) (18,574,069)
Employee benefits       448,048 260,456
Inter-company charges and deductions       (2,951,374) 9,737,603
Net cash flows from operating activities       1,396,890 20,247,217
Investing activities:          
Acquisition of wells, pipelines, properties, plant and equipment and intangible assets       (62,219,624) (68,078,428)
Other assets and other receivables       (11,163,693) 21,098,893
(Increase) decrease due to Inter-company investing       228,782 413,722
Net cash flows (used in) investing activities       (73,154,535) (46,565,813)
Financing activities:          
Lease payments (principal and interest)       (1,820,136) (1,446,963)
Loans obtained from financial institutions       617,177,528 547,572,751
Debt payments, principal only       (628,212,855) (529,053,874)
Interest paid       3,220,622 886,892
Inter-company (decrease) increase financing       54,893,453 21,219,601
Net cash flows from (used in) financing activities       45,258,612 39,178,407
Net increase (decrease) in cash and cash equivalents       (26,499,033) 12,859,811
Effects of foreign exchange on cash balances       29,238,030 (11,878,620)
Cash and cash equivalents at the beginning of the year   $ 42,032,513   39,293,516 38,312,325
Cash and cash equivalents at the end of the year (Note 9)       $ 42,032,513 $ 39,293,516