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Consolidated Statements of Equity (Parenthetical) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Statement of Stockholders' Equity [Abstract]      
Common stock, par value (USD per share) $ 1 $ 1  
Dividends declared per share (USD per share) $ 3.60 $ 3.32 $ 3.08
Comprehensive income attributable to redeemable noncontrolling interests $ 241 $ 249 $ 215