Debt - Summary of Debt Issuances (Details) - Senior Notes	Mar. 16, 2020 USD ($)
Debt Instrument [Line Items]
Principal	$ 3,500,000,000
$1,500 Million, 2.40% Debt due March 15, 2030
Debt Instrument [Line Items]
Principal	$ 1,500,000,000
Interest rate	2.40%
Net proceeds	$ 1,491,000,000
$750 Million, 3.20% Debt due March 15, 2040
Debt Instrument [Line Items]
Principal	$ 750,000,000
Interest rate	3.20%
Net proceeds	$ 743,000,000
$1,250 Million, 3.40% Debt due March 15, 2050
Debt Instrument [Line Items]
Principal	$ 1,250,000,000
Interest rate	3.40%
Net proceeds	$ 1,237,000,000

Proceeds From Issuance Of Long-term Debt, Net Of Discounts And Underwriting Fees

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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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.

+ References

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