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Defined Contribution and Defined Benefit Plans (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Defined Contribution and Defined Benefit Plans [Abstract] | |||
| Defined Contribution Plan, Cost Recognized | $ 12us-gaap_DefinedContributionPlanCostRecognized | $ 11us-gaap_DefinedContributionPlanCostRecognized | $ 12us-gaap_DefinedContributionPlanCostRecognized |
| Employer Matching Contribution Percentage | 100.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch | ||
| Deferral Election Percentage For Employer Matching Contribution | 5.00%us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent | ||
| Employee Deferral Limit Percentage | 75.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent | ||
| Defined Benefit Plan, Assets for Plan Benefits | 15us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsCurrentAndNoncurrent | 14us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsCurrentAndNoncurrent | |
| Pension and Other Postretirement Defined Benefit Plans, Liabilities | 24us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent | 20us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent | |
| Defined Benefit Plan, Amounts Recognized in Balance Sheet | 9us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet | 6us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet | |
| Defined Benefit Plan, Net Periodic Benefit Cost | 1us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost | 2us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost | 1us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost |
| Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax | 5us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax | 1us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax | |
| Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year | 2us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear | 1us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear | |
| Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year | 1us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInNextFiscalYear | ||
| Defined Benefit Plan, Expected Future Benefit Payments in Five Fiscal Years Thereafter | $ 1us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter | ||
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- Details
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- Definition
The pretax total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The aggregate net amount recognized in the balance sheet associated with the defined benefit plan(s). Will normally be the same as the Defined Benefit Plan, Funded Status of Plan, Total. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This represents the entire assets recognized in the balance sheet that are associated with the defined benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of benefits from a defined benefit plan expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period. No definition available.
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- Definition
Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of the cost recognized during the period for defined contribution plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available.
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- Definition
Percentage employer matches of the employee's percentage contribution matched. No definition available.
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- Definition
Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. No definition available.
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- Definition
This represents the entire liability recognized in the balance sheet that is associated with the defined benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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