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Equity - Capital Stock (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		12 Months Ended
	Jan. 25, 2023	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Preferred stock authorized (shares)				2,000,000
Par value of preferred stock (USD per share)				$ 1
Preferred stock issued (shares)				0
Dividends declared per share (USD per share)				$ 3.32	$ 3.08	$ 2.68
Dividend history
Annualized dividend rate (USD per share)				$ 3.32	$ 3.08	$ 2.68
Dividends paid				$ 1,024	$ 743	$ 645
Quarterly dividend rate (USD per share)		$ 0.85	$ 0.77		$ 0.77	$ 0.67
Subsequent event
Class of Stock [Line Items]
Dividends declared per share (USD per share)	$ 0.90

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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