v2.4.0.8

Debt Senior Notes (Details) (USD $)	0 Months Ended	3 Months Ended		6 Months Ended			12 Months Ended		6 Months Ended	12 Months Ended		0 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended
	May 17, 2011	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Notes Payable, Other Payables [Member] Senior Notes, 5.875% Due 2019 [Member]	Dec. 31, 2013 Notes Payable, Other Payables [Member] Senior Notes, 5.875% Due 2019 [Member]	May 17, 2011 Notes Payable, Other Payables [Member] Senior Notes, 5.875% Due 2019 [Member]	Jun. 30, 2014 Notes Payable, Other Payables [Member] Senior Notes, 6.125% Due 2021 [Member]	Dec. 31, 2013 Notes Payable, Other Payables [Member] Senior Notes, 6.125% Due 2021 [Member]	May 17, 2011 Notes Payable, Other Payables [Member] Senior Notes, 6.125% Due 2021 [Member]	Feb. 14, 2013 Notes Payable, Other Payables [Member] Senior Notes, 5.000% Due 2023 [Member]	Jun. 30, 2014 Notes Payable, Other Payables [Member] Senior Notes, 5.000% Due 2023 [Member]	Dec. 31, 2013 Notes Payable, Other Payables [Member] Senior Notes, 5.000% Due 2023 [Member]	Jun. 30, 2014 Notes Payable, Other Payables [Member] Senior Notes, 4.150% Due 2024 [Member]	Mar. 03, 2014 Notes Payable, Other Payables [Member] Senior Notes, 4.150% Due 2024 [Member]
Debt Instrument [Line Items]
Senior notes issued								$ 500,000,000				$ 800,000,000				$ 700,000,000
Senior Notes Interest Rate at Period End							5.875%	5.875%	6.125%	6.125%	6.125%	5.00%	5.00%	5.00%	4.15%	4.15%
Debt Instrument, Maturity Date						May 15, 2019	May 15, 2019		May 15, 2021	May 15, 2021			Feb. 15, 2023	Feb. 15, 2023	Mar. 15, 2024
Loss on extinguishment of debt		0	0	(34,000,000)	(39,000,000)	(33,000,000)
Payments of Debt Issuance Costs	23,000,000											12,000,000			6,000,000
Senior Notes Net Proceeds	$ 1,000,000,000
Debt Instrument, Price																99.649%
Debt Instrument, Interest Rate, Effective Percentage																4.193%

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- Definition

Original pricing of senior unsecured note at issuance expressed as a percentage of par value.

+ References

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- Definition

Face (par) amount of debt instrument at time of issuance.

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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