CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) dividend $ / shares	Mar. 31, 2022 USD ($) dividend $ / shares	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Statement of Stockholders' Equity [Abstract]
Dividends declared per common share (in dollars per share) | $ / shares	$ 0.95	$ 0.92
Accumulated other comprehensive loss, cumulative translation losses	$ 3,431	$ 3,269	$ 3,491	$ 3,349
Accumulated other comprehensive income (loss), unrecognized retirement plan and other retiree benefit costs	$ 624	$ 1,030	$ 631	$ 1,044
Number of dividends declared per quarter | dividend	2	2