Basis of Presentation - Schedule of earnings per share, basic and diluted (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Net earnings from continuing operations	$ 391	$ 899
Preferred stock dividends	(14)	(1)
Net earnings from continuing operations for basic EPS calculation	377
Net earnings from continuing operations for diluted EPS calculation	377
Net earnings	433	911
Preferred stock dividends	(14)	$ (1)
Net earnings for basic EPS calculation	419
Net earnings for diluted EPS calculation	$ 419

Amount after tax of income (loss) from continuing operations attributable to the parent.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.

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