Earnings Per Share - Calculation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Earnings Per Share [Abstract]
Net income	$ 750	$ 53
Dividend equivalent payments, basic	(1)	(1)
Dividend equivalent payments, diluted	(1)	(1)
Income available to common stockholders, basic	749	52
Income available to common stockholders, diluted	$ 749	$ 52
Weighted-average shares outstanding (in shares)	226.1	225.8
Dilutive effect of outstanding options and share-settled awards (in shares)	0.4	0.4
Adjusted weighted-average shares outstanding (in shares)	226.5	226.2
Earnings per share, basic (in dollars per share)	$ 3.31	$ 0.23
Earnings per share, diluted (in dollars per share)	$ 3.31	$ 0.23

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