v3.26.1
Income Taxes (Schedule of Unrecognized Tax Benefits Roll Forward) (Details) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Income Tax Disclosure [Abstract]      
Current Federal Tax Expense (Benefit) $ 164 $ 135 $ 305
Current State and Local Tax Expense (Benefit) 123 72 68
Current Foreign Tax Expense (Benefit) 91 82 79
Current Income Tax Expense (Benefit) 378 289 452
Deferred Federal Income Tax Expense (Benefit) 104 205 (89)
Deferred State and Local Income Tax Expense (Benefit) (15) 39 12
Deferred Foreign Income Tax Expense (Benefit) 2 (1) (27)
Deferred Income Tax Expense (Benefit) 91 243 (104)
Income Tax Expense (Benefit) 469 532 348
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Balance at beginning of fiscal year 879 981 1,015
Additions for tax positions of the current year 31 8 30
Additions for tax positions of prior years 5 15 28
Reductions for tax positions of prior years (7) (101) (87)
Settlements with tax authorities 0 (22) (3)
Expiration of the statute of limitations (1) (2) (2)
Balance at end of fiscal year $ 907 $ 879 $ 981