Fair Value Measurements (Details) - USD ($) | Mar. 31, 2018 | Dec. 31, 2017 |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Assets at fair value | $ 16,000,000 | $ 15,000,000 |
Total Liabilities at fair value | 27,000,000 | 44,000,000 |
Money market investments related to the deferred compensation plan | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Assets at fair value | 16,000,000 | 15,000,000 |
Liabilities related to the deferred compensation plan | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Liabilities at fair value | 16,000,000 | 15,000,000 |
Foreign exchange contracts | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Liabilities at fair value | 11,000,000 | 11,000,000 |
Forward interest rate swap contracts | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Liabilities at fair value | | 18,000,000 |
Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Assets at fair value | 16,000,000 | 15,000,000 |
Total Liabilities at fair value | 16,000,000 | 17,000,000 |
Level 1 | Money market investments related to the deferred compensation plan | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Assets at fair value | 16,000,000 | 15,000,000 |
Level 1 | Liabilities related to the deferred compensation plan | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Liabilities at fair value | 16,000,000 | 15,000,000 |
Level 1 | Foreign exchange contracts | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Liabilities at fair value | 0 | 2,000,000 |
Fair value, assets, level 2 to level 1 transfers, amount | 0 | 2,000,000 |
Level 1 | Forward interest rate swap contracts | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Liabilities at fair value | | 0 |
Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Assets at fair value | 0 | 0 |
Total Liabilities at fair value | 11,000,000 | 27,000,000 |
Level 2 | Money market investments related to the deferred compensation plan | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Assets at fair value | 0 | 0 |
Level 2 | Liabilities related to the deferred compensation plan | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Liabilities at fair value | 0 | 0 |
Level 2 | Foreign exchange contracts | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Liabilities at fair value | 11,000,000 | 9,000,000 |
Level 2 | Forward interest rate swap contracts | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Liabilities at fair value | | 18,000,000 |
Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Assets at fair value | 0 | 0 |
Total Liabilities at fair value | 0 | 0 |
Level 3 | Money market investments related to the deferred compensation plan | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Assets at fair value | 0 | 0 |
Level 3 | Liabilities related to the deferred compensation plan | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Liabilities at fair value | 0 | 0 |
Level 3 | Foreign exchange contracts | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Liabilities at fair value | $ 0 | 0 |
Level 3 | Forward interest rate swap contracts | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Liabilities at fair value | | $ 0 |