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Income Taxes (Reconciliation Between Effective Income Tax Rate And U.S. Federal Statutory Rate) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]      
Tax expense, at U.S. federal statutory rate, amount $ 617 $ 585 $ 633
State and local income taxes, net of federal benefit, amount 74 55 63
Non-taxable income for Indian tax purposes, amount 0 0 (6)
Rate differential on foreign earnings, amount 104 95 98
Recognition of previously unrecognized income tax benefits related to uncertain tax positions (15) (33) (43)
Credits and other incentives, amount (57) (37) (17)
Other adjustments, amount (10) 3 2
Total provision for income taxes $ 713 $ 668 $ 730
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
Tax expense, at U.S. federal statutory rate, percentage 21.00% 21.00% 21.00%
State and local income taxes, net of federal benefit, percentage 2.50% 2.00% 2.10%
Non-taxable income for Indian tax purposes, percentage 0.00% 0.00% (0.20%)
Rate differential on foreign earnings, percentage 3.50% 3.40% 3.20%
Recognition of previously unrecognized income tax benefits related to uncertain tax positions, percentage (0.50%) (1.20%) (1.40%)
Credits and other incentives, percent (1.90%) (1.30%) (0.60%)
Other adjustments, percent (0.30%) 0.10% 0.10%
Total provision for income taxes, percentage 24.30% 24.00% 24.20%