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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- 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.

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- Definition

Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 1
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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

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Description of Business and Basis of Presentation - Additional Information (Detail)		1 Months Ended	3 Months Ended
	Mar. 25, 2020 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2020 USD ($) segment	Jan. 01, 2020 USD ($)	Dec. 31, 2019 USD ($)
New Accounting Pronouncement, Early Adoption [Line Items]
Number of reportable segments \| segment			2
Principal amount		$ 6,759,000,000	$ 6,759,000,000		$ 5,603,000,000
3.75% 2020 Senior Note, due 2025
New Accounting Pronouncement, Early Adoption [Line Items]
Principal amount	$ 700,000,000	$ 700,000,000	$ 700,000,000
Debt instrument, term	5 years	5 years
Credit Losses Accounting Standard
New Accounting Pronouncement, Early Adoption [Line Items]
Adoption of new ASU				$ (2,000,000)
Retained Earnings \| Credit Losses Accounting Standard
New Accounting Pronouncement, Early Adoption [Line Items]
Adoption of new ASU				$ (2,000,000)