Fair Value Measurements and Derivatives - Notional Amount of Currency Derivatives (Details) (USD $) | 3 Months Ended | |
In Millions, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014 |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Derivative, Notional Amount | $334 | |
Not Designated as Hedging Instrument [Member] | | |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Derivative, Notional Amount | 109 | |
Cash Flow Hedging [Member] | | |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Derivative, Notional Amount | 127 | |
Net Investment Hedging [Member] | | |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Derivative, Notional Amount | 98 | |
Foreign Exchange Forward [Member] | | |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Derivative, Notional Amount | 324 | 296 |
Foreign Exchange Forward [Member] | United States of America, Dollars [Member] | | |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Traded Currency | Mexican peso, Euro | |
Derivative, Notional Amount | 176 | |
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 | 55 | |
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 | 14 | |
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 | 13 | |
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 | 20 | |
Foreign Exchange Forward [Member] | Brazil, Brazil Real | | |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Traded Currency | U.S. dollar, Euro | |
Derivative, Notional Amount | 10 | |
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 | 22 | |
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | | |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Derivative, Notional Amount | 99 | |
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 | 33 | |
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 | 13 | |
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Thailand, Baht [Member] | | |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Derivative, Notional Amount | 20 | |
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Brazil, Brazil Real | | |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Derivative, Notional Amount | 10 | |
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Indian rupee [Member] | | |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Derivative, Notional Amount | 22 | |
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | | |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Derivative, Notional Amount | 127 | |
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 | 22 | |
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | United Kingdom, Pounds [Member] | | |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Derivative, Notional Amount | 13 | |
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 | | |
Foreign Exchange Forward [Member] | Net Investment Hedging [Member] | | |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Derivative, Notional Amount | 98 | |
Foreign Exchange Forward [Member] | Net Investment Hedging [Member] | United States of America, Dollars [Member] | | |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Derivative, Notional Amount | 98 | |
Currency Swap [Member] | | |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Derivative, Notional Amount | 10 | 10 |
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 | 10 | |
Currency Swap [Member] | Not Designated as Hedging Instrument [Member] | Indian rupee [Member] | | |
Derivative Instruments and Hedging Activities Disclosures [Line Items] | | |
Derivative, Notional Amount | $10 | |