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Consolidated Statements of Equity (Parenthetical) - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jan. 23, 2024 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Statement of Stockholders' Equity [Abstract] |  |  |  |  |  |
Common stock, par value (USD per share) |  | $ 1 | $ 1 | $ 1 | $ 1 | $ 1
Dividends declared per common share (USD per share) | $ 0.91 | $ 0.91 | $ 0.90 | $ 1.82 | $ 1.80 |
Comprehensive income attributable to redeemable noncontrolling interests |  | $ 68 | $ 58 | $ 138 | $ 119 |

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