v3.3.1.900

Derivative Financial Instruments and Hedging Activities Fixed-to-Floating Interest Rate Swaps (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2015 USD ($)
Derivative [Line Items] |
Notional amount | $ 50
Fixed interest rate received | 2.52%
Floating interest rate paid | 0.00%
Notes due 2017 [Member] |
Derivative [Line Items] |
Notional amount | $ 150
Fixed interest rate received | 5.30%
Floating interest rate paid | 4.59%
Senior notes due 2017 [Member] |
Derivative [Line Items] |
Notional amount | $ 750
Fixed interest rate received | 1.50%
Floating interest rate paid | 0.71%
Notes due 2018 [Member] |
Derivative [Line Items] |
Notional amount | $ 415
Fixed interest rate received | 5.60%
Floating interest rate paid | 3.78%
Notes due 2019 [Member] |
Derivative [Line Items] |
Notional amount | $ 300
Fixed interest rate received | 6.95%
Floating interest rate paid | 5.66%
Debentures due 2019 [Member] |
Derivative [Line Items] |
Notional amount | $ 25
Fixed interest rate received | 8.875%
Floating interest rate paid | 4.59%
Debentures due 2020 [Member] |
Derivative [Line Items] |
Notional amount | $ 150
Fixed interest rate received | 3.875%
Floating interest rate paid | 2.45%
Notes due 2021 [Member] |
Derivative [Line Items] |
Notional amount | $ 275
Fixed interest rate received | 3.47%
Floating interest rate paid | 2.07%
Senior notes due 2022 [Member] |
Derivative [Line Items] |
Notional amount | $ 1,350
Fixed interest rate received | 2.75%
Floating interest rate paid | 0.80%
Notes due 2023 [Member] |
Derivative [Line Items] |
Notional amount | $ 200
Fixed interest rate received | 3.68%
Floating interest rate paid | 1.40%
Debentures due 2024 [Member] |
Derivative [Line Items] |
Notional amount | $ 25
Fixed interest rate received | 7.625%
Floating interest rate paid | 3.01%
Debentures due 2029 [Member] |
Derivative [Line Items] |
Notional amount | $ 50
Fixed interest rate received | 7.65%
Floating interest rate paid | 3.17%
Debentures due 2034 [Member] |
Derivative [Line Items] |
Notional amount | $ 25
Fixed interest rate received | 5.45%
Floating interest rate paid | 0.80%
London Interbank Offered Rate (LIBOR) [Member] |
Derivative [Line Items] |
Debt Instrument, Term | 3 months
Derivative, Basis Spread on Variable Rate | 0.00%
London Interbank Offered Rate (LIBOR) [Member] | Notes due 2017 [Member] |
Derivative [Line Items] |
Debt Instrument, Term | 1 month
Derivative, Basis Spread on Variable Rate | 4.26%
London Interbank Offered Rate (LIBOR) [Member] | Senior notes due 2017 [Member] |
Derivative [Line Items] |
Debt Instrument, Term | 1 month
Derivative, Basis Spread on Variable Rate | 0.46%
London Interbank Offered Rate (LIBOR) [Member] | Notes due 2018 [Member] |
Derivative [Line Items] |
Debt Instrument, Term | 6 months
Derivative, Basis Spread on Variable Rate | 3.18%
London Interbank Offered Rate (LIBOR) [Member] | Notes due 2019 [Member] |
Derivative [Line Items] |
Debt Instrument, Term | 3 months
Derivative, Basis Spread on Variable Rate | 5.07%
London Interbank Offered Rate (LIBOR) [Member] | Debentures due 2019 [Member] |
Derivative [Line Items] |
Debt Instrument, Term | 6 months
Derivative, Basis Spread on Variable Rate | 3.84%
London Interbank Offered Rate (LIBOR) [Member] | Debentures due 2020 [Member] |
Derivative [Line Items] |
Debt Instrument, Term | 1 month
Derivative, Basis Spread on Variable Rate | 2.12%
London Interbank Offered Rate (LIBOR) [Member] | Notes due 2021 [Member] |
Derivative [Line Items] |
Debt Instrument, Term | 1 month
Derivative, Basis Spread on Variable Rate | 1.74%
London Interbank Offered Rate (LIBOR) [Member] | Senior notes due 2022 [Member] |
Derivative [Line Items] |
Debt Instrument, Term | 1 month
Derivative, Basis Spread on Variable Rate | 0.56%
London Interbank Offered Rate (LIBOR) [Member] | Notes due 2023 [Member] |
Derivative [Line Items] |
Debt Instrument, Term | 1 month
Derivative, Basis Spread on Variable Rate | 1.07%
London Interbank Offered Rate (LIBOR) [Member] | Debentures due 2024 [Member] |
Derivative [Line Items] |
Debt Instrument, Term | 6 months
Derivative, Basis Spread on Variable Rate | 2.48%
London Interbank Offered Rate (LIBOR) [Member] | Debentures due 2029 [Member] |
Derivative [Line Items] |
Debt Instrument, Term | 6 months
Derivative, Basis Spread on Variable Rate | 2.57%
London Interbank Offered Rate (LIBOR) [Member] | Debentures due 2034 [Member] |
Derivative [Line Items] |
Debt Instrument, Term | 6 months
Derivative, Basis Spread on Variable Rate | 0.28%

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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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