Condensed Consolidated Statements of Changes in Shareholders’ Equity (Parenthetical) $ in Millions		3 Months Ended
		Mar. 31, 2024 USD ($) dividend $ / shares	Mar. 31, 2023 USD ($) dividend $ / shares	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Statement of Stockholders' Equity [Abstract]
Dividends declared per common share (in dollars per share) | $ / shares	[1]	$ 0.98	$ 0.95
Accumulated other comprehensive loss, cumulative translation losses		$ 3,438	$ 3,431	$ 3,351	$ 3,491
Accumulated other comprehensive income (loss), unrecognized retirement plan and other retiree benefit costs		$ 643	$ 624	$ 647	$ 631
Number of dividends declared per quarter | dividend		2	2

[1] Two dividends were declared in the first quarter of each of 2024 and 2023.