Condensed Consolidated Statements of Equity (Unaudited) - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Cash Flow Hedge Gain (Loss)	Foreign Currency Translation	Defined Benefit Pension and Retiree Health Benefit Plans
Balance at beginning of period (in shares) at Dec. 31, 2020		471,900,000
Balance at beginning of period at Dec. 31, 2020	$ 8,476	$ 0	$ 8,650	$ (477)	$ 303	$ (61)	$ 360	$ 4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(61)			(61)
Other comprehensive income (loss), net of tax	(405)				(405)	53	(466)	8
Stock compensation	15		15
Issuance of stock under employee stock plans, net (in shares)		1,100,000
Issuance of stock under employee stock plans, net	(18)		(18)
Balance at end of period (in shares) at Mar. 31, 2021		473,000,000.0
Balance at end of period at Mar. 31, 2021	8,007	$ 0	8,647	(538)	(102)	(8)	(106)	12
Balance at beginning of period (in shares) at Dec. 31, 2020		471,900,000
Balance at beginning of period at Dec. 31, 2020	8,476	$ 0	8,650	(477)	303	(61)	360	4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(375)
Other comprehensive income (loss), net of tax	(449)
Balance at end of period (in shares) at Sep. 30, 2021		473,000,000.0
Balance at end of period at Sep. 30, 2021	7,682	$ 0	8,680	(852)	(146)	(9)	(146)	9
Balance at beginning of period (in shares) at Mar. 31, 2021		473,000,000.0
Balance at beginning of period at Mar. 31, 2021	8,007	$ 0	8,647	(538)	(102)	(8)	(106)	12
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(210)			(210)
Other comprehensive income (loss), net of tax	167				167	(5)	169	3
Stock compensation	16		16
Balance at end of period (in shares) at Jun. 30, 2021		473,000,000.0
Balance at end of period at Jun. 30, 2021	7,980	$ 0	8,663	(748)	65	(13)	63	15
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(104)			(104)
Other comprehensive income (loss), net of tax	(211)				(211)	4	(209)	(6)
Stock compensation	17		17
Balance at end of period (in shares) at Sep. 30, 2021		473,000,000.0
Balance at end of period at Sep. 30, 2021	$ 7,682	$ 0	8,680	(852)	(146)	(9)	(146)	9
Balance at beginning of period (in shares) at Dec. 31, 2021	473,119,786	473,100,000
Balance at beginning of period at Dec. 31, 2021	$ 7,538	$ 0	8,696	(949)	(209)	25	(253)	19
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	48			48
Other comprehensive income (loss), net of tax	23				23	109	(85)	(1)
Stock compensation	14		14
Issuance of stock under employee stock plans, net (in shares)		1,000,000.0
Issuance of stock under employee stock plans, net	(11)		(11)
Balance at end of period (in shares) at Mar. 31, 2022		474,100,000
Balance at end of period at Mar. 31, 2022	$ 7,612	$ 0	8,699	(901)	(186)	134	(338)	18
Balance at beginning of period (in shares) at Dec. 31, 2021	473,119,786	473,100,000
Balance at beginning of period at Dec. 31, 2021	$ 7,538	$ 0	8,696	(949)	(209)	25	(253)	19
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(23)
Other comprehensive income (loss), net of tax	$ (798)
Balance at end of period (in shares) at Sep. 30, 2022	474,124,115	474,100,000
Balance at end of period at Sep. 30, 2022	$ 6,745	$ 0	8,724	(972)	(1,007)	204	(1,226)	15
Balance at beginning of period (in shares) at Mar. 31, 2022		474,100,000
Balance at beginning of period at Mar. 31, 2022	7,612	$ 0	8,699	(901)	(186)	134	(338)	18
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(22)			(22)
Other comprehensive income (loss), net of tax	(463)				(463)	8	(470)	(1)
Stock compensation	17		17
Issuance of stock under employee stock plans, net	(4)		(4)
Balance at end of period (in shares) at Jun. 30, 2022		474,100,000
Balance at end of period at Jun. 30, 2022	7,140	$ 0	8,712	(923)	(649)	142	(808)	17
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(49)			(49)
Other comprehensive income (loss), net of tax	(358)				(358)	62	(418)	(2)
Stock compensation	13		13
Issuance of stock under employee stock plans, net	$ (1)		(1)
Balance at end of period (in shares) at Sep. 30, 2022	474,124,115	474,100,000
Balance at end of period at Sep. 30, 2022	$ 6,745	$ 0	$ 8,724	$ (972)	$ (1,007)	$ 204	$ (1,226)	$ 15