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Commitments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Commitments And Contingencies Disclosure [Abstract]

Summary of Asset Retirement Obligations

The following table sets forth the activity in the Company’s asset retirement obligations for the years ended December 31, 2020 and 2019.

		Year Ended December 31,
		2020				2019
Balance at January 1,		$	76			$	66
Obligations incurred or acquired			12				5
(Decrease) increase in estimated cash outflows			(14	)			4
Accretion expense			4				4
Settlements and payments			(2	)			(3	)
Balance at December 31,		$	76			$	76
Current portion		$	13			$	7
Non-current portion			63				69

Schedule of Components of Accrued Litigation

The following table sets forth the components of the Company’s accrued litigation at December 31, 2020 and 2019.

		December 31,
		2020				2019
Asbestos		$	34			$	34
PFOA (1)			50			20
All other matters			4			6
Total accrued litigation		$	88			$	60

(1) At December 31, 2020, PFOA includes $29 associated with the Company’s portion of the costs to settle PFOA multi-district litigation in Ohio.

Schedule of Current and Long-term Components of Accrued Litigation and Balance Sheet Locations

The following table sets forth the current and long-term components of the Company’s accrued litigation and their balance sheet locations at December 31, 2020 and 2019.

				December 31,
		Balance Sheet Location		2020				2019
Accrued Litigation:
Current accrued litigation (1)		Other accrued liabilities (Note 19)		$	37			$	10
Long-term accrued litigation		Other liabilities (Note 21)			51				50
Total accrued litigation				$	88			$	60

(1) At December 31, 2020, current accrued litigation includes $29 associated with the Company’s portion of the costs to settle PFOA multi-district litigation in Ohio.

Schedule of Components of Environmental Remediation Liabilities

The following table sets forth the components of the Company’s environmental remediation liabilities at December 31, 2020 and 2019 for the five sites that are deemed the most significant by management, including Fayetteville as further discussed below.

		December 31,
		2020				2019
Chambers Works, Deepwater, New Jersey		$	20			$	20
East Chicago, Indiana			11				17
Fayetteville Works, Fayetteville, North Carolina			194				201
Pompton Lakes, New Jersey			42				43
USS Lead, East Chicago, Indiana			12				13
All other sites			111				112
Total environmental remediation		$	390			$	406

Schedule of Current and Long-term Components of Environmental Remediation Accrual and Balance Sheet Locations

The following table sets forth the current and long-term components of the Company’s environmental remediation liabilities and their balance sheet locations at December 31, 2020 and 2019.

				December 31,
		Balance Sheet Location		2020				2019
Environmental Remediation:
Current environmental remediation		Other accrued liabilities (Note 19)		$	95			$	74
Long-term environmental remediation		Other liabilities (Note 21)			295				332
Total environmental remediation				$	390			$	406

Schedule of On-Site and Off-Site Components of Accrued Environmental Remediation Liabilities Related to PFAS

The following table sets forth the on-site and off-site components of the Company’s accrued environmental remediation liabilities related to PFAS at Fayetteville at December 31, 2020 and 2019.

		December 31,
		2020				2019
On-site remediation		$	140			$	155
Off-site groundwater remediation			54				46
Total accrued liabilities		$	194			$	201

Schedule of Current and Long-term Components of Accrued Environmental Remediation Liabilities and Balance Sheet Locations

The following table sets forth the current and long-term components of the Company’s accrued environmental remediation liabilities related to PFAS at Fayetteville and their balance sheet locations at December 31, 2020 and 2019.

				December 31,
		Balance Sheet Location		2020				2019
Current accrued liabilities		Other accrued liabilities (Note 19)		$	39			$	20
Long-term accrued liabilities		Other liabilities (Note 21)			155				181
Total accrued liabilities				$	194			$	201

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