Condensed Consolidated Balance Sheet (Unaudited) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Trade receivables, allowances	$ 439	$ 444
Preferred shares, par value (in dollars per share)	$ 1	$ 1
Preferred shares, authorized (in shares)	1,000,000	1,000,000
Preferred shares, issued (in shares)	0	0
Common shares, authorized (in shares)	2,400,000,000	2,400,000,000
Common shares, issued (in shares)	1,989,789,999	1,987,883,852
Common shares held in treasury (in shares)	250,155,515	253,807,494