Favorable discrete items, percentage impact

No definition available.

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- Definition

Net income tax expense (benefit) of the Tax Cuts and Jobs Act (Dec 22. 2017 Tax Reform)

+ References

No definition available.

+ Details

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- Definition

Net income tax expense (benefit), tax reform final regulations on deemed repatriation

+ References

No definition available.

+ Details

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- Definition

Net income tax expense (benefit), tax reform, per diluted share

+ References

No definition available.

+ Details

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- Definition

One-time tax on deemed repatriation of accumulated foreign earnings, offset by unrecognized tax benefits

+ References

No definition available.

+ Details

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(2))
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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
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- References

No definition available.

+ Details

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- Definition

Amount 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 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

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-Publisher FASB
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Income Taxes (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended			6 Months Ended		12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018	Sep. 30, 2018	Sep. 30, 2017
Income Tax Disclosure [Abstract]
Federal tax rate						21.00%	35.00%
Net income tax expense (benefit), tax reform					$ (43)	$ (189)
Net income tax expense (benefit), tax reform, per diluted share					$ (0.07)	$ (0.30)
One-time tax on deemed repatriation of accumulated foreign earnings, offset by unrecognized tax benefits		$ 100
Net income tax expense (benefit), tax reform final regulations on deemed repatriation	$ (13)
Income taxes	$ 150		$ 169	$ 274	$ 278
Effective income tax rate	22.00%		26.00%	22.00%	24.00%
Favorable discrete items, percentage impact				2.00%