Stockholders' Equity Reclassifications out of AOCI (Details) - USD ($) $ in Millions		3 Months Ended				9 Months Ended
		Sep. 30, 2022		Sep. 30, 2021		Sep. 30, 2022	Sep. 30, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts Reclassified from Accumulated Other Comprehensive Loss		$ 48		$ (141)		$ (28)	$ (444)
Other Benefit Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of Prior Service Benefit		0	[1],[2]	(231)	[1],[2]	(1)	(692)
Pension Plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts Reclassified from Accumulated Other Comprehensive Loss						21	32
Other Benefit Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts Reclassified from Accumulated Other Comprehensive Loss						1	(475)
Derivative Instruments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income (Loss), Current Period, before Tax		33	[3]	6	[3]	(68)	(9)
Reclassification from Accumulated Other Comprehensive Loss, Current Period, Tax		(5)	[4]	(1)	[4]	18	1
Amounts Reclassified from Accumulated Other Comprehensive Loss		28		5		(50)	(8)
Actuarial (Gains) Losses | Pension Plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income (Loss), Current Period, before Tax		0	[1],[2]	14	[1],[2]	2	41
Actuarial (Gains) Losses | Other Benefit Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income (Loss), Current Period, before Tax		1	[1],[2]	23	[1],[2]	2	70
Settlement Loss | Pension Plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income (Loss), Current Period, before Tax		25	[1],[2]	0	[1],[2]	27	1
Accumulated Defined Benefit Plans Adjustment Attributable to Parent | Pension Plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income (Loss), Current Period, before Tax		25		14		27	41
Reclassification from Accumulated Other Comprehensive Loss, Current Period, Tax		(6)	[4]	(3)	[4]	(6)	(9)
Amounts Reclassified from Accumulated Other Comprehensive Loss		19		11		21	32
Accumulated Defined Benefit Plans Adjustment Attributable to Parent | Other Benefit Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income (Loss), Current Period, before Tax		1		(208)		1	(623)
Reclassification from Accumulated Other Comprehensive Loss, Current Period, Tax		0	[4]	51	[4]	0	148
Amounts Reclassified from Accumulated Other Comprehensive Loss		1		(157)		1	(475)
Unrealized loss on investments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Loss, Current Period, Tax		0	[4]	0	[4]	0	0
Amounts Reclassified from Accumulated Other Comprehensive Loss		0	[1]	0	[1]	0	7
Prior Service Benefit | Pension Plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income (Loss), Current Period, before Tax	[1],[2]	0		0		(2)	(1)
Accumulated Defined Benefit Plans Adjustment, Curtailment Gain (Loss) | Other Benefit Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income (Loss), Current Period, before Tax		$ 0		$ 0		$ 0	$ (1)

[1] Reflected in other income - net in the interim Consolidated Statements of Operations.

[2] These accumulated other comprehensive income (loss) components are included in the computation of net periodic benefit credit of the company's pension and other benefit plans. See Note 14 - Pension Plans and Other Post Employment Benefits, for additional information.

[3] Reflected in cost of goods sold in the interim Consolidated Statements of Operations.

[4] Reflected in provision for (benefit from) income taxes from continuing operations in the interim Consolidated Statements of Operations.