Debt - Short-Term Borrowings and Commercial Paper Program (Details) - USD ($)	1 Months Ended	3 Months Ended
Apr. 27, 2020	Mar. 31, 2020
Short-term Debt [Line Items]
Principal amount outstanding		$ 4,382,000,000
Facility Capacity		15,000,000,000
Commercial paper		0
Short Term Facility
Short-term Debt [Line Items]
Proceeds from short-term debt		700,000,000
Principal amount outstanding		700,000,000
Facility Capacity		$ 700,000,000
Subsequent Event
Short-term Debt [Line Items]
Commercial paper	$ 3,500,000,000
Subsequent Event \| Short Term Facility
Short-term Debt [Line Items]
Repayments of Short-term Debt	700,000,000
Commercial Paper \| Subsequent Event
Short-term Debt [Line Items]
Proceeds from short-term debt	3,500,000,000
Commercial Paper Maturing June 30, 2020 \| Subsequent Event
Short-term Debt [Line Items]
Commercial paper	2,500,000,000
Commercial Paper Maturing September 30, 2020 \| Subsequent Event
Short-term Debt [Line Items]
Commercial paper	$ 1,000,000,000.0

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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-Subparagraph (SX 210.9-03(13)(2))
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The carrying value as of the balance sheet date of the current and noncurrent portions 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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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.

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The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

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The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

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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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