Equity, Income Tax Effects on Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Before-Tax Amount
Other comprehensive income (loss) before income tax expense (benefit)	$ (284)	$ 329	$ 83
Tax Expense (Benefit)
Income tax expense (benefit) related to items of other comprehensive income (loss)	70	82	(16)
Net Amount
Other comprehensive income (loss)	(354)	247	99
Foreign Currency Translation Adjustment [Member]
Before-Tax Amount
Other comprehensive income (loss), before reclassifications, before tax	(613)	(47)	161
Tax Expense (Benefit)
Other comprehensive income (loss), before reclassifications, tax expense (benefit)	(7)	0	0
Net Amount
Other comprehensive income (loss), before reclassifications, net of tax	(606)	(47)	161
Net Gain (Loss) on Pension and Other Postretirement Benefits [Member]
Before-Tax Amount
Effect of exchange rates, before tax		2
Other comprehensive income (loss) before income tax expense (benefit)	335	378	(80)
Tax Expense (Benefit)
Effect of exchange rates, tax expense (benefit)		0
Income tax expense (benefit) related to items of other comprehensive income (loss)	77	82	(15)
Net Amount
Effect of exchange rates, net amount		2
Other comprehensive income (loss)	258	296	(65)
Net Actuarial Gain (Loss) [Member]
Before-Tax Amount
Other comprehensive income (loss), before reclassifications, before tax	244	317	(128)
Reclassification from accumulated other comprehensive loss, current period, before tax	52	80	74
Tax Expense (Benefit)
Other comprehensive income (loss), before reclassifications, tax expense (benefit)	57	69	(26)
Reclassification from accumulated other comprehensive loss, current period, tax expense (benefit)	12	18	17
Net Amount
Other comprehensive income (loss), before reclassifications, net of tax	187	248	(102)
Reclassification from accumulated other comprehensive loss, current period, net of tax	40	62	57
Prior Service Cost (Credit) [Member]
Before-Tax Amount
Other comprehensive income (loss), before reclassifications, before tax		(4)	(5)
Reclassification from accumulated other comprehensive loss, current period, before tax	(22)	(25)	(26)
Tax Expense (Benefit)
Other comprehensive income (loss), before reclassifications, tax expense (benefit)		(1)	(1)
Reclassification from accumulated other comprehensive loss, current period, tax expense (benefit)	(5)	(6)	(6)
Net Amount
Other comprehensive income (loss), before reclassifications, net of tax		(3)	(4)
Reclassification from accumulated other comprehensive loss, current period, net of tax	(17)	(19)	(20)
Settlement Loss [Member]
Before-Tax Amount
Reclassification from accumulated other comprehensive loss, current period, before tax	61	8	5
Tax Expense (Benefit)
Reclassification from accumulated other comprehensive loss, current period, tax expense (benefit)	13	2	1
Net Amount
Reclassification from accumulated other comprehensive loss, current period, net of tax	48	6	4
Net Gain (Loss) from Derivative Instruments Designated and Qualifying as Cash Flow Hedges [Member]
Before-Tax Amount
Other comprehensive income (loss), before reclassifications, before tax	(292)	(48)	36
Reclassification from accumulated other comprehensive loss, current period, before tax	286	46	(34)
Other comprehensive income (loss) before income tax expense (benefit)	(6)	(2)	2
Tax Expense (Benefit)
Other comprehensive income (loss), before reclassifications, tax expense (benefit)	(32)	(5)	3
Reclassification from accumulated other comprehensive loss, current period, tax expense (benefit)	32	5	(4)
Income tax expense (benefit) related to items of other comprehensive income (loss)	0	0	(1)
Net Amount
Other comprehensive income (loss), before reclassifications, net of tax	(260)	(43)	33
Reclassification from accumulated other comprehensive loss, current period, net of tax	254	41	(30)
Other comprehensive income (loss)	$ (6)	$ (2)	$ 3