Income Taxes (Components of income tax expense and reconciliation of effective tax rate) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Current
Federal	$ 628	$ 561	$ (34)
Foreign	64	66	100
State and local	140	125	94
Current income tax expense	832	752	160
Deferred
Federal	(8)	5	525
Foreign	(1)	13	(16)
State and local	(10)	17	28
Deferred income tax expense (benefit)	(19)	35	537
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Computed tax at statutory tax rate	712	674	588
State income taxes, net of federal tax benefit	100	116	102
Other permanent items	(11)	(3)	18
Change in federal valuation allowance	0	(15)	15
Foreign restructuring	0	0	(37)
Foreign tax rate differential	12	15	11
Total	$ 813	$ 787	$ 697