Financial instruments and fair value measurement.

No definition available.

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- Definition

Number of additional forward starting interest rate swaps.

+ References

No definition available.

+ Details

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- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=117331979&loc=d3e41228-113958

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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- Definition

Date the derivative contract matures, in CCYY-MM-DD format.

+ References

No definition available.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

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- Definition

The increase (decrease) during the reporting period of all assets and liabilities used in operating activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

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- Definition

Fair value as of the balance sheet date of all interest rate derivative assets designated as cash flow hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

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Financial Instruments and Fair Value Measurement - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2015 USD ($) Derivative
One Point Three One Percent Forward Starting Interest Rate Swaps
Financial Instruments And Fair Value Measurement [Line Items]
Number of additional forward starting interest rate swaps \| Derivative				9
Maturity date of interest rate cash flow hedges				Apr. 15, 2019
Fixed rate payable on interest rate swap				1.31%
Interest Rate Swap \| Net Accounts Receivable
Financial Instruments And Fair Value Measurement [Line Items]
Fair value of our interest rate swaps, assets		$ 4,000,000
Foreign Currency Forward Exchange Contracts
Financial Instruments And Fair Value Measurement [Line Items]
Net cash (outflows) inflows	$ (20,000,000)	66,000,000	$ (64,000,000)
Fair Value Hedge
Financial Instruments And Fair Value Measurement [Line Items]
Fair value of hedges outstanding	$ 0	$ 0	$ 0
Cash Flow Hedging \| One Point Three One Percent Forward Starting Interest Rate Swaps
Financial Instruments And Fair Value Measurement [Line Items]
Notional amount of interest rate cash flow hedges				$ 1,000,000,000.0