Fair Value Measurements and Derivatives - Notional Amount of Currency Derivatives (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 2,104
Not Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	697
Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	1,407
Foreign Exchange Forward [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 1,007	$ 306
Foreign Exchange Forward [Member] | United States of America, Dollars [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	Swiss franc, Mexican peso, euro
Derivative, Notional Amount	$ 749
Foreign Exchange Forward [Member] | Euro Member Countries, Euro [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	U.S. dollar, Canadian dollar, Hungarian forint, British pound, Swiss franc, Indian rupee, Russian ruble, Chinese renminbi
Derivative, Notional Amount	$ 65
Foreign Exchange Forward [Member] | United Kingdom, Pounds [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	U.S. dollar, euro
Derivative, Notional Amount	$ 3
Foreign Exchange Forward [Member] | Swedish, Krona [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	Euro, U.S. dollar
Derivative, Notional Amount	$ 17
Foreign Exchange Forward [Member] | South Africa, Rand [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	U.S. dollar, euro, Thai baht
Derivative, Notional Amount	$ 12
Foreign Exchange Forward [Member] | Canada, Dollars
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	U.S. dollar
Derivative, Notional Amount	$ 23
Foreign Exchange Forward [Member] | Thailand, Baht [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	U.S. dollar, Australian dollar
Derivative, Notional Amount	$ 32
Foreign Exchange Forward [Member] | Brazil, Brazil Real [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	U.S. dollar, euro
Derivative, Notional Amount	$ 70
Foreign Exchange Forward [Member] | India, Rupees [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	U.S. dollar, British pound, euro
Derivative, Notional Amount	$ 36
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	697
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | United States of America, Dollars [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	607
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Euro Member Countries, Euro [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	10
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | South Africa, Rand [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	1
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Thailand, Baht [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	1
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Brazil, Brazil Real [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	42
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | India, Rupees [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	36
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	310
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | United States of America, Dollars [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	142
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Euro Member Countries, Euro [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	55
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | United Kingdom, Pounds [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	3
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Swedish, Krona [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	17
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | South Africa, Rand [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	11
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Canada, Dollars
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	23
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Thailand, Baht [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	31
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Brazil, Brazil Real [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	28
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | India, Rupees [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount
Currency Swap [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 1,097	$ 1,112
Currency Swap [Member] | United States of America, Dollars [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	Euro
Derivative, Notional Amount	$ 322
Currency Swap [Member] | Euro Member Countries, Euro [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	U.S. dollar
Derivative, Notional Amount	$ 775
Currency Swap [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	0
Currency Swap [Member] | Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	1,097
Currency Swap [Member] | Cash Flow Hedging [Member] | United States of America, Dollars [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	322
Currency Swap [Member] | Cash Flow Hedging [Member] | Euro Member Countries, Euro [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 775