Goodwill and Identifiable Intangible Assets - Identifiable Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2018	Jun. 30, 2017	Jun. 29, 2018	Jun. 30, 2017	Dec. 31, 2017
Finite-Lived Intangible Assets Subject to Amortization [Abstract]
Finite lived intangible assets, weighted average amortization period
Finite-lived intangible assets, gross carrying amount	$ 630		$ 630		$ 611
Finite-lived intangible assets, accumulated amortization	408		408		385
Finite-lived intangible assets, net carrying amount	222		222		226
Amortization expense	11	$ 10	22	$ 20
Estimated Amortization Expense for Identifiable Intangible Assets [Abstract]
Estimated amortization expense, 2018	44		44
Estimated amortization expense, 2019	42		42
Estimated amortization expense, 2020	33		33
Estimated amortization expense, 2021	27		27
Estimated amortization expense, 2022	23		23
Indefinite-lived Intangible Assets [Line Items]
Intangible assets, gross carrying amount	696		696		677
Intangible assets, net carrying amount	288		288		292
IPR&D [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	66		$ 66		66
Customer Contractual Relationships [Member]
Finite-Lived Intangible Assets Subject to Amortization [Abstract]
Finite lived intangible assets, weighted average amortization period			15 years
Finite-lived intangible assets, gross carrying amount	406		$ 406		393
Finite-lived intangible assets, accumulated amortization	273		273		257
Finite-lived intangible assets, net carrying amount	133		$ 133		136
Technology [Member]
Finite-Lived Intangible Assets Subject to Amortization [Abstract]
Finite lived intangible assets, weighted average amortization period			10 years
Finite-lived intangible assets, gross carrying amount	190		$ 190		189
Finite-lived intangible assets, accumulated amortization	121		121		114
Finite-lived intangible assets, net carrying amount	69		$ 69		75
Other [Member]
Finite-Lived Intangible Assets Subject to Amortization [Abstract]
Finite lived intangible assets, weighted average amortization period			14 years
Finite-lived intangible assets, gross carrying amount	34		$ 34		29
Finite-lived intangible assets, accumulated amortization	14		14		14
Finite-lived intangible assets, net carrying amount	$ 20		$ 20		$ 15