Amount after tax of an increase (decrease) to a gain (loss) previously reported in discontinued operations in a prior period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=65878427&loc=d3e1012-107759

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5C
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721675-107760

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=65878427&loc=d3e1020-107759

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 3A
-URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721659-107760

Name:	us-gaap_DiscontinuedOperationAmountOfAdjustmentToPriorPeriodGainLossOnDisposalNetOfTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Acquisitions and Divestitures, Goodwill, and Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jul. 02, 2017	Jul. 03, 2016	Apr. 03, 2016	Jul. 02, 2017	Jul. 03, 2016
Goodwill and Intangible Assets Disclosure
Amortization expense	$ 19	$ 23		$ 38	$ 50
Sale of Axle Business \| Discontinued Operations, Disposed of by Sale
Goodwill and Intangible Assets Disclosure
Final adjustment to loss in discontinued operations			$ 13