Statements of Consolidated Earnings (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Income Statement [Abstract] | ||||
| Direct pass-through costs PEO revenues | $ 21,484.7 | $ 20,293.3 | $ 60,566.0 | $ 56,907.7 |