Capital Stock, Dividends and Common Stock Repurchase Program - Stock (Detail) $ / shares in Units, $ in Millions	1 Months Ended	12 Months Ended
	Dec. 31, 2024 $ / shares shares	Dec. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares
Capital Stock, Dividends and Common Stock Repurchase Program
Common stock, shares authorized | shares	1,500,000,000	1,500,000,000
Common stock, par value | $ / shares	$ 0.01	$ 0.01	$ 0.01
Common stock issued (in shares) | shares	630,282,461	630,282,461	630,282,461
Common stock outstanding (in shares) | shares	401,500,000	401,500,000	401,500,000	407,900,000
Preferred stock shares authorized | shares	10,000,000	10,000,000
Preferred stock par value per share | $ / shares	$ 0.01	$ 0.01
Preferred stock shares outstanding | shares	0	0
Cash dividends | $		$ 1,210	$ 1,136	$ 1,077
Cash dividends declared and paid per common share | $ / shares		$ 3	$ 2.8	$ 2.6
Quarterly common stock dividend per share | $ / shares	0.75
Expected quarterly common stock dividend per share | $ / shares	$ 0.825