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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Description of debt redemption features under terms of the debt agreement.

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Face (par) amount of the original debt instrument that was repurchased.

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No definition available.

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- Definition

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

The amount for notes payable (written promise to pay), due to related parties.

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- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

+ References

No definition available.

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- Definition

Weighted average interest rate of short-term debt outstanding.

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Long-Term Debt and Revolving Promissory Note Long-Term Debt and Revolving Promissory Note (Details 2) - USD ($) $ in Millions	Jan. 31, 2016	May. 02, 2016	Mar. 31, 2016
Senior notes \| 7.00% Notes due 2056
Long-term debt
Debt instrument face amount	$ 235
Stated interest rate (percent)	7.00%
Proceeds from debt, net of issuance costs	$ 227
Affiliated entity \| Loans payable \| Note payable - affiliate
Long-term debt
Line of credit, maximum borrowing capacity			$ 1,000
Note payable - affiliate			$ 855
Weighted average interest rate (percent)			6.758%
Accrued interest payable on affiliate note payable			$ 19
Debt Instrument, Redemption, Period One \| Senior notes \| 7.00% Notes due 2056
Long-term debt
Debt instrument, redemption, period one	on or after February 1, 2021, at a redemption price equal to 100% of the principal amount redeemed
Subsequent Event \| Senior notes \| 8.375% Notes due 2016
Long-term debt
Stated interest rate (percent)		8.375%
Face amount of repurchased debt		$ 235