Consolidated Statements of Equity (Parenthetical) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Statement of Stockholders' Equity [Abstract]
Common stock, par value (USD per share)	$ 1	$ 1	$ 1	$ 1	$ 1	$ 1	$ 1	$ 1
Dividends declared per common share (USD per share)	$ 0.96	$ 0.91	$ 1.92	$ 1.82
Comprehensive income attributable to redeemable noncontrolling interests	$ 76	$ 68	$ 153	$ 138