Stockholders' Equity - Additional Information (Detail) - USD ($)		1 Months Ended	3 Months Ended											12 Months Ended
	Jan. 21, 2022	Oct. 31, 2021	Dec. 31, 2021	Sep. 26, 2021	Jun. 27, 2021	Mar. 28, 2021	Dec. 31, 2020	Sep. 27, 2020	Jun. 28, 2020	Mar. 29, 2020	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Sep. 23, 2021
Shareholders Equity [Line Items]
Common stock, shares authorized (in shares)			1,500,000,000				1,500,000,000							1,500,000,000	1,500,000,000
Preferred stock, shares authorized (in shares)			50,000,000				50,000,000							50,000,000	50,000,000
Common stock, shares issued and outstanding (in shares)			272,000,000				280,000,000							272,000,000	280,000,000
Common stock, shares outstanding (in shares)			271,000,000											271,000,000
Common stock, value			$ 271,000,000				$ 279,000,000							$ 271,000,000	$ 279,000,000
Preferred stock, shares issued (in shares)			0				0							0	0
Preferred stock, shares outstanding (in shares)			0				0							0	0
Stock repurchased (in shares)															3,000,000	3,500,000
Cash paid for repurchases of common stock														$ 4,087,000,000	$ 1,100,000,000	$ 1,200,000,000
Remaining amount authorized (in shares)			$ 3,900,000,000											$ 3,900,000,000
Common stock, par value (in dollars per share)			$ 1				$ 1							$ 1	$ 1
Repurchases of common stock														$ 4,087,000,000	$ 1,100,000,000	1,200,000,000
Common stock dividends per share paid (in dollars per share)			$ 2.80	$ 2.60	$ 2.60	$ 2.60	$ 2.60	$ 2.40	$ 2.40	$ 2.40	$ 2.20	$ 2.20	$ 2.20	$ 10.60
Payments of Ordinary Dividends, Common Stock														$ (2,940,000,000)	$ (2,764,000,000)	$ (2,556,000,000)
Dividends declared, per share (in dollars per share)														$ 10.60	$ 9.80	$ 9.00
Board of Directors
Shareholders Equity [Line Items]
Increase to share repurchase program																	$ 5,000,000,000
Retained Earnings
Shareholders Equity [Line Items]
Stock repurchased (in shares)														9,400,000
Repurchases of common stock														$ 3,407,000,000	$ 841,000,000	$ 713,000,000
Accelerated Share Repurchase Agreement
Shareholders Equity [Line Items]
Stock repurchased (in shares)		3,600,000													1,400,000
Cash paid for repurchases of common stock		$ 2,000,000,000												4,000,000,000	$ 500,000,000
Accelerate share repurchase (ASR) authorized amount		$ 2,000,000,000
Repurchases of common stock														$ 9,200,000
Accelerated Share Repurchase Agreement | Subsequent Event
Shareholders Equity [Line Items]
Stock repurchased (in shares)	2,200,000