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Debt Credit Agreement (Details) (USD $)
In Millions, unless otherwise specified |
0 Months Ended | 3 Months Ended | 9 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | ||||||||||||||
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May 17, 2011
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
Senior Notes, 4.150% Due 2024 [Member]
Notes Payable, Other Payables [Member]
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Mar. 03, 2014
Senior Notes, 4.150% Due 2024 [Member]
Notes Payable, Other Payables [Member]
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Sep. 30, 2014
Amended and Restated Credit Agreement [Member]
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Sep. 30, 2013
Amended and Restated Credit Agreement [Member]
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Sep. 30, 2014
Tranche A, Due 2018 [Member]
Loans Payable [Member]
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Dec. 31, 2013
Tranche A, Due 2018 [Member]
Loans Payable [Member]
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Dec. 31, 2013
Tranche A, Due 2018 [Member]
JPMorgan Chase Bank, N.A. [Member]
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Sep. 30, 2014
Tranche A, Due 2018 [Member]
Revolving Credit Facility [Member]
Minimum [Member]
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Sep. 30, 2014
Tranche A, Due 2018 [Member]
Revolving Credit Facility [Member]
Maximum [Member]
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Sep. 30, 2014
Tranche A, Due 2018 [Member]
Loans Payable [Member]
JPMorgan Chase Bank, N.A. [Member]
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Sep. 30, 2014
Tranche A, Due 2018 [Member]
Loans Payable [Member]
JPMorgan Chase Bank, N.A. [Member]
Administrative Agent’s Alternate Base Rate [Member]
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Dec. 31, 2013
Tranche A, Due 2018 [Member]
Loans Payable [Member]
JPMorgan Chase Bank, N.A. [Member]
Administrative Agent’s Alternate Base Rate [Member]
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Sep. 30, 2014
Tranche A, Due 2018 [Member]
Loans Payable [Member]
JPMorgan Chase Bank, N.A. [Member]
LIBOR [Member]
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Dec. 31, 2013
Tranche A, Due 2018 [Member]
Loans Payable [Member]
JPMorgan Chase Bank, N.A. [Member]
LIBOR [Member]
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May 17, 2011
Revolver, Due 2018 [Member]
JPMorgan Chase Bank, N.A. [Member]
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Dec. 31, 2013
Revolver, Due 2018 [Member]
JPMorgan Chase Bank, N.A. [Member]
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Sep. 30, 2014
Revolver, Due 2018 [Member]
Revolving Credit Facility [Member]
JPMorgan Chase Bank, N.A. [Member]
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Sep. 30, 2014
Revolver, Due 2018 [Member]
Revolving Credit Facility [Member]
JPMorgan Chase Bank, N.A. [Member]
LIBOR [Member]
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Sep. 30, 2014
Revolver, Due 2018 [Member]
Loans Payable [Member]
JPMorgan Chase Bank, N.A. [Member]
Administrative Agent’s Alternate Base Rate [Member]
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Dec. 31, 2013
Revolver, Due 2018 [Member]
Loans Payable [Member]
JPMorgan Chase Bank, N.A. [Member]
Administrative Agent’s Alternate Base Rate [Member]
|
Sep. 30, 2014
Revolver, Due 2018 [Member]
Loans Payable [Member]
JPMorgan Chase Bank, N.A. [Member]
LIBOR [Member]
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Dec. 31, 2013
Revolver, Due 2018 [Member]
Loans Payable [Member]
JPMorgan Chase Bank, N.A. [Member]
LIBOR [Member]
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Sep. 30, 2014
Original Credit Agreement [Member]
Secured Debt [Member]
JPMorgan Chase Bank, N.A. [Member]
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Mar. 31, 2011
Original Credit Agreement [Member]
Secured Debt [Member]
JPMorgan Chase Bank, N.A. [Member]
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Sep. 30, 2014
Senior Notes, 5.875% Due 2019 [Member]
Notes Payable, Other Payables [Member]
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| Line of Credit Facility [Line Items] | ||||||||||||||||||||||||||||||
| Credit Agreement on Senior Secured Facilities | $ 575 | $ 1,500 | $ 3,000 | |||||||||||||||||||||||||||
| Line of Credit Facility, Increase, Additional Borrowings | 574 | 2,400 | 1,300 | |||||||||||||||||||||||||||
| Loss on extinguishment of debt | 0 | 0 | (34) | (39) | (1) | (39) | (33) | |||||||||||||||||||||||
| Payments of Debt Issuance Costs | 23 | 6 | 14 | |||||||||||||||||||||||||||
| Unamortized Debt Issuance Costs | 21 | |||||||||||||||||||||||||||||
| Letters of Credit Issued | 12 | |||||||||||||||||||||||||||||
| Basis spread of variable rate | 0.25% | 0.25% | 1.25% | 1.25% | 1.25% | 0.25% | 0.25% | 1.25% | 1.25% | |||||||||||||||||||||
| Contingent change in Appplicable Rate | 0.00% | 2.25% | ||||||||||||||||||||||||||||
| Borrowings as of September 30, 2014 | $ 400 | $ 564 | $ 0 | |||||||||||||||||||||||||||
| Rates effective as of September 30, 2014 | 4.193% | 1.4375% | 0.00% | |||||||||||||||||||||||||||
| Consolidated Leverage Ratio | 275.00% | |||||||||||||||||||||||||||||