v3.3.1.900

Pension Benefits Change in Assumptions (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($)
Compensation and Retirement Disclosure [Abstract] |
Defined Benefit Plan, Change in Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Decrease | 0.25%
Defined Benefit Plan, Effect of Change in Assumption Used Calculating Net Periodic Benefit Cost, Discount Rate Decrease | $ 8
Defined Benefit Plan, Change in Assumptions Used Calculating Benefit Obligation, Discount Rate Decrease | 0.25%
Defined Benefit Plan, Effect of Change in Assumption Used Calculating Benefit Obligation, Discount Rate Decrease | $ 88
Defined Benefit Plan, Change in Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Increase | 0.25%
Defined Benefit Plan, Effect of Change in Assumption Used Calculating Net Periodic Benefit Cost, Discount Rate Increase | $ (6)
Defined Benefit Plan, Change in Assumptions Used Calculating Benefit Obligation, Discount Rate Increase | 0.25%
Defined Benefit Plan, Effect of Change in Assumption Used Calculating Benefit Obligation, Discount Rate Increase | $ (81)
Defined Benefit Plan, Change in Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets Decrease | 0.25%
Defined Benefit Plan, Effect of Change in Assumption Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets Decrease | $ 3
Defined Benefit Plan, Change in Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets Increase | 0.25%
Defined Benefit Plan, Effect of Change in Assumption Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets Increase | $ (3)

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