Comprehensive Income and Shareholders' Equity (Details) - USD ($) shares in Millions, $ in Millions	2 Months Ended	12 Months Ended
	Feb. 23, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ 44,032	$ 40,855	$ 34,517	$ 29,684
Total other comprehensive items		(777)	478	(128)
Balance		$ 44,032	40,855	34,517
Unissued shares of common stock (in shares)		22.0
Purchases of company common stock		$ 3,000	2,000	1,500
Subsequent Event
Accumulated Other Comprehensive Income (Loss) [Line Items]
Purchases of company common stock	$ 3,000
Purchases of company common stock (in shares)	5.2
Currency translation adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ (2,880)	(2,065)
Other comprehensive items before reclassifications		(822)
Amounts reclassified from accumulated other comprehensive items		7
Total other comprehensive items		(815)
Balance		(2,880)	(2,065)
Unrealized losses on hedging instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(33)	(35)
Other comprehensive items before reclassifications		0
Amounts reclassified from accumulated other comprehensive items		2
Total other comprehensive items		2
Balance		(33)	(35)
Pension and other postretirement benefit liability adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(186)	(229)
Other comprehensive items before reclassifications		38
Amounts reclassified from accumulated other comprehensive items		5
Total other comprehensive items		43
Balance		(186)	(229)
Accumulated Other Comprehensive Items
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ (3,099)	(2,329)	(2,807)	(2,679)
Other comprehensive items before reclassifications		(784)
Amounts reclassified from accumulated other comprehensive items		14
Total other comprehensive items		(770)
Balance		$ (3,099)	$ (2,329)	$ (2,807)