Earnings per Share - Calculation of Basic and Diluted Weighted-Average Shares Outstanding (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024
Income (Numerator)
Net income	$ 322	$ 511	$ 516	$ 252	$ 220	$ 352	$ 1,349	$ 824
Less: dividends attributable to participating securities	(1)			(1)			(1)	(2)
Net income available to common stockholders	$ 321			$ 251			$ 1,348	$ 822
Shares (Denominator)
Weighted-average shares - Basic (in shares)	763			738			761	743
Dilution effect of stock awards at end of period (in shares)	4			6			3	6
Weighted-average shares - Diluted (in shares)	767			744			764	749
Earnings per share
Basic (in dollars per share)	$ 0.42			$ 0.34			$ 1.77	$ 1.11
Diluted (in dollars per share)	$ 0.42			$ 0.34			$ 1.76	$ 1.10