Equity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2022	Jun. 30, 2021
Common Stock, Dividends, Per Share, Cash Paid		$ 1.47	$ 1.47
Dividends, Common Stock, Cash	[1]	$ 638	$ 639
Common stock repurchased during period, shares				0.4
Purchases of common stock				$ (63)	$ (68)
Availability Under ATM		$ 750		$ 750
Common Stock [Member]
Dividends Payable, Date Declared		May 09, 2022	Feb. 08, 2022
Dividends Payable, Date of Record		Jun. 15, 2022	Mar. 15, 2022
Dividends Payable, Date to be Paid		Jun. 30, 2022	Mar. 31, 2022

[1] Inclusive of dividends accrued for holders of unvested restricted stock units, which will be paid when and if the restricted stock units vest.