Fair Value Measurements and Derivatives - Notional Amount of Currency Derivatives (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Foreign Exchange Forward [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 204	$ 296
Foreign Exchange Forward [Member] | United States of America, Dollars [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	Mexican peso
Derivative, Notional Amount	$ 78
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
Derivative, Notional Amount	$ 48
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	$ 7
Foreign Exchange Forward [Member] | Swedish krona [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	Euro
Derivative, Notional Amount	$ 14
Foreign Exchange Forward [Member] | South Africa Rand [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	U.S. dollar, Euro
Derivative, Notional Amount	$ 7
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	$ 19
Foreign Exchange Forward [Member] | Brazil, Brazil Real
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	U.S. dollar, Euro
Derivative, Notional Amount	$ 5
Foreign Exchange Forward [Member] | Indian rupee [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	U.S. dollar, British pound, Euro
Derivative, Notional Amount	$ 26
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	87
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	0
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	29
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | United Kingdom, Pounds [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 1
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Swedish krona [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount
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	$ 7
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Thailand, Baht [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	19
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Brazil, Brazil Real
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	5
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Indian rupee [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	26
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	117
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	78
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Euro Member Countries, Euro [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	19
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | United Kingdom, Pounds [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	6
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Swedish krona [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 14
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | South Africa Rand [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Brazil, Brazil Real
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Indian rupee [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	$ 214	$ 10
Currency Swap [Member] | United States of America, Dollars [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	Euro
Derivative, Notional Amount	$ 116
Currency Swap [Member] | Euro Member Countries, Euro [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	Canadian dollar, British pound
Derivative, Notional Amount	$ 88
Currency Swap [Member] | Indian rupee [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Traded Currency	U.S. dollar
Derivative, Notional Amount	$ 10
Currency Swap [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	214
Currency Swap [Member] | Not Designated as Hedging Instrument [Member] | United States of America, Dollars [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	116
Currency Swap [Member] | Not Designated as Hedging Instrument [Member] | Euro Member Countries, Euro [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	88
Currency Swap [Member] | Not Designated as Hedging Instrument [Member] | Indian rupee [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	10
Foreign Exchange Contract [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	418
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	301
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 117