Segment Information (Reconciliation of Total Segment Income from Operations to Consolidated Income before Income Taxes) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting [Abstract]
Income from operations	$ 1,175	$ 720	$ 2,207	$ 1,066
Interest expense	(44)	(36)	(90)	(69)
Other income (expense), net	17	10	28	22
Income before income taxes	$ 1,148	$ 694	$ 2,145	$ 1,019