Stockholders' Equity and Earnings per Share - Schedule of Transactions from Employee Option and Share Plans (Detail) - USD ($) $ / shares in Units, $ in Millions			12 Months Ended
	Nov. 30, 2021	Dec. 15, 2020	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Equity [Abstract]
Total shares in treasury at beginning of year (in shares)			15,056,232	9,569,359	9,044,952
Total cost			$ 2,799	$ 1,932	$ 1,037
Shares acquired under repurchase program (in shares)			5,460,135	8,330,021	20,628,901
Average price in $ per share			$ 192.16	$ 171.59	$ 194.63
Total cost of repurchases			$ 1,053	$ 1,426	$ 4,015
Shares delivered (in shares)			3,186,782	2,843,148	5,104,494
Average price in $ per share			$ 200.38	$ 197.83	$ 102.88
Amount received			$ 71	$ 59	$ 62
Shares retired (in shares)	15,000,000	26,000,000	0	0	15,000,000
Total shares in treasury at end of year (in shares)			17,329,585	15,056,232	9,569,359
Total cost			$ 3,210	$ 2,799	$ 1,932
Shares acquired under the repurchase program, amount			$ 1,049	$ 1,429	$ 4,015