Segment Information (Reconciliation of Total Segment Income from Operations to Consolidated Income before Income Taxes) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting [Abstract]
Income from operations	$ 516	$ 861	$ 2,723	$ 1,927
Interest expense	(44)	(61)	(134)	(130)
Other income, net	24	13	52	35
Income before income taxes	$ 496	$ 813	$ 2,641	$ 1,832