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Accumulated Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 30, 2021

Equity [Abstract]

Accumulated Other Comprehensive Loss

The changes in the cumulative balances of “Accumulated other comprehensive loss” reported in the Consolidated Balance Sheets consisted of the following:

			Balance at Beginning of Year						Net Income						Reclassification Adjustments						Balance at End of Period
			($ in millions)
Nine months ended September 30, 2021
Pensions and other postretirement liabilities			$	(526)					$	—					$	23					$	(503)
Other comprehensive loss of equity investees			(68)						—						—						(68)
Accumulated other comprehensive loss			$	(594)					$	—					$	23					$	(571)
Nine months ended September 30, 2020
Pensions and other postretirement liabilities			$	(421)					$	—					$	14					$	(407)
Other comprehensive income (loss) of equity investees			(70)						6						—						(64)
Accumulated other comprehensive loss			$	(491)					$	6					$	14					$	(471)

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- References

No definition available.

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- Definition

Tabular disclosure of the components of accumulated other comprehensive income (loss).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 45
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900

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