Goodwill and Identifiable Intangible Assets - Identifiable Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 28, 2018	Sep. 29, 2017	Sep. 28, 2018	Sep. 29, 2017	Dec. 31, 2017
Finite-Lived Intangible Assets Subject to Amortization [Abstract]
Finite-lived intangible assets, gross carrying amount	$ 767		$ 767		$ 611
Finite-lived intangible assets, accumulated amortization	419		419		385
Finite-lived intangible assets, net carrying amount	348		348		226
Amortization expense	10	$ 10	32	$ 30
Estimated Amortization Expense for Identifiable Intangible Assets [Abstract]
Estimated amortization expense, 2018	49		49
Estimated amortization expense, 2019	59		59
Estimated amortization expense, 2020	52		52
Estimated amortization expense, 2021	45		45
Estimated amortization expense, 2022	38		38
Indefinite-lived Intangible Assets [Line Items]
Intangible assets, gross carrying amount	833		833		677
Intangible assets, net carrying amount	414		414		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			16 years
Finite-lived intangible assets, gross carrying amount	444		$ 444		393
Finite-lived intangible assets, accumulated amortization	280		280		257
Finite-lived intangible assets, net carrying amount	164		$ 164		136
Technology [Member]
Finite-Lived Intangible Assets Subject to Amortization [Abstract]
Finite lived intangible assets, weighted average amortization period			9 years
Finite-lived intangible assets, gross carrying amount	262		$ 262		189
Finite-lived intangible assets, accumulated amortization	124		124		114
Finite-lived intangible assets, net carrying amount	138		$ 138		75
Other [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	61		$ 61		29
Finite-lived intangible assets, accumulated amortization	15		15		14
Finite-lived intangible assets, net carrying amount	$ 46		$ 46		$ 15