Premium paid to redeem debt instrument

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Details

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Debt - Additional Information (Detail) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Aug. 31, 2016	Mar. 31, 2017	Dec. 31, 2016	Mar. 01, 2017	Nov. 30, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Long-term debt, gross		$ 6,718	$ 6,706			$ 5,972
Senior notes [member] \| Senior notes due 2025 [member]
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt		$ 900
Debt instrument, interest rate, stated percentage		4.625%
Long-term debt, gross		$ 900	0
Senior notes [member] \| Senior notes due 2027 [member]
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt		$ 600
Debt instrument, interest rate, stated percentage		4.875%
Long-term debt, gross		$ 600	$ 0
Senior notes [member] \| Senior notes due 2025 and senior notes due 2027 [Member]
Debt Instrument [Line Items]
Debt issuance costs, gross		21
Senior notes [member] \| Senior notes due 2021 [member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage			5.625%
Long-term debt, gross		0	$ 1,500			1,500
Premium paid to redeem debt instrument		42
Write off of deferred debt issuance cost		18
Long-term debt, amount redeemed		$ 1,500
Senior notes [member] \| Senior notes due 2024 [member]
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt	$ 1,000
Debt instrument, interest rate, stated percentage	4.25%	4.25%	4.25%
Debt issuance costs, gross	$ 20
Long-term debt, gross		$ 1,000	$ 1,000			0
Secured debt [member] \| Senior secured revolving credit facility [Member]
Debt Instrument [Line Items]
Debt issuance costs, gross					$ 5
Line of credit facility, maximum borrowing capacity		1,000	1,000
Letters of credit outstanding, amount		23	45
Line of credit facility, remaining borrowing capacity		$ 977	$ 955
Line of credit facility, unused capacity, commitment fee percentage			0.125%
Secured debt [member] \| Senior secured term loan facility due 2020 [member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage			3.50%
Long-term debt, gross			$ 750	$ 750		4,225
Secured debt [member] \| Senior secured term loan facility due 2023 [member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		2.98%	3.26%
Debt issuance costs, gross	4	$ 3
Long-term debt, gross	$ 3,225	$ 3,959	$ 3,209	$ 3,209		$ 0
Debt instrument, basis spread on variable rate	2.50%	2.00%
Debt instrument, unamortized discount	$ 8