Capital lease obligations and long term notes payable.

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

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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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No definition available.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis.

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

+ References

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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Amount of long-term debt and capital lease obligations including current maturities.

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No definition available.

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The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The liability due as of the balance sheet date for leasebacks accounted for using the deposit method.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Long-Term Debt (Details) - USD ($) $ in Millions	3 Months Ended
Long-Term Debt (Details) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016	Apr. 07, 2016	Jul. 20, 2015	Apr. 01, 2015
Debt Instrument [Line Items]
Sale leaseback financing obligation	$ 116	$ 117
Line of credit	761	1,000
Capital lease obligation and notes payable	24	1
Total debt	4,344	4,561
Less: current maturities	5	5
Less: debt issuance costs	44	47
Long-term debt, net of current maturities	$ 4,295	4,509
Fair Value, Measurement Inputs, Disclosure [Text Block]	4.4
Term Loan [Member]
Debt Instrument [Line Items]
Term Loan		1,243
2014 Revolver [Member]
Debt Instrument [Line Items]
Line of credit	$ 761	1,000
6.375% Senior Notes Due 2023 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Term Loan					$ 800
Senior notes	$ 800	800
Interest rate, stated percentage	6.375%				6.375%
5.500% Senior Notes Due 2020 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Term Loan				$ 600
Senior notes	$ 600	600
Interest rate, stated percentage	5.50%			5.50%
6.250% Senior Notes Due 2021 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Term Loan			$ 800
Senior notes	$ 800	$ 800
Interest rate, stated percentage	6.25%		6.25%