Effective Income Tax Rate Reconciliation, CARES Act, Refundable AMT Credits, Amount

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- Definition

Effective Income Tax Rate Reconciliation, Deduction, Worthless Stock, Amount

+ References

No definition available.

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- Definition

Unrecognized Tax Benefits, Portion Expected To Be Resolved in the Next Fiscal Year

+ References

No definition available.

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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- Definition

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- Definition

The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

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Income Taxes (Details) - USD ($) $ in Millions		3 Months Ended			9 Months Ended
Income Taxes (Details) - USD ($) $ in Millions	Mar. 27, 2020	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Effective tax rate (percent)		20.10%		21.60%	13.40%	20.60%
Change in amount of valuation allowance					$ 52
Benefits from accelerated amortization of certain investment tax credits			$ 10
Worthless stock deduction					28
Unrecognized tax benefits, portion expected to be resolved in the next fiscal year		$ 57			57
Unrecognized tax benefits that would impact effective tax rate		$ 55			$ 55
Amount of refundable AMT credits	$ 18