Income Taxes (Net Provision For Income Taxes For Continuing Operations) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
U.S. federal	$ 515	$ 558	$ 471
State	30	8	36
Foreign	137	132	119
Total current	682	698	626
Deferred:
U.S. federal	(53)	(130)	49
State	(5)	(2)	1
Foreign	(8)	5	42
Total deferred	(66)	(127)	92
Provision for income taxes, net	616	571	718
Net income tax payments	$ 740	$ 764	$ 572