Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Numerator:
Net income, basic	$ 990	$ 417
Net income, diluted	$ 990	$ 417
Denominator:
Basic: Weighted-average common shares outstanding (in shares)	102.8	107.9
Effect of potentially dilutive nonqualified stock options and other share-based awards (in shares)	1.8	2.1
Diluted: Weighted-average common shares outstanding (in shares)	104.6	110.0
Earnings per share:
Basic (in dollars per share)	$ 9.63	$ 3.86
Diluted (in dollars per share)	$ 9.46	$ 3.79
Options excluded from earnings per share calculation due to their anti-dilutive effect (in shares)	0.0	0.3