Stockholders' Equity Reclassifications out of AOCI (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts Reclassified from Accumulated Other Comprehensive Loss		$ (12)	$ (146)
Other Benefit Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of Prior Service Benefit	[1],[2]	0	(230)
Pension Plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts Reclassified from Accumulated Other Comprehensive Loss		0	12
Other Benefit Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts Reclassified from Accumulated Other Comprehensive Loss		0	(158)
Derivative Instruments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income (Loss), Current Period, before Tax	[3]	(15)	(5)
Reclassification from Accumulated Other Comprehensive Loss, Current Period, Tax	[4]	3	(1)
Amounts Reclassified from Accumulated Other Comprehensive Loss		(12)	(6)
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	[1],[2]	1	14
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],[2]	0	23
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	[1],[2]	0	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		0	15
Reclassification from Accumulated Other Comprehensive Loss, Current Period, Tax	[4]	0	(3)
Amounts Reclassified from Accumulated Other Comprehensive Loss		0	12
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		0	(207)
Reclassification from Accumulated Other Comprehensive Loss, Current Period, Tax	[4]	0	49
Amounts Reclassified from Accumulated Other Comprehensive Loss		0	(158)
Unrealized loss on investments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Loss, Current Period, Tax	[4]	0	0
Amounts Reclassified from Accumulated Other Comprehensive Loss	[1]	0	6
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)	$ 0

[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.