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.

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

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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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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Debt - Note Issuances (Details) - May 31, 2019	USD ($)	EUR (€)	GBP (£)
Total $6.0 billion debt issuance
Debt Instrument [Line Items]
Face amount	$ 6,000,000,000
Fair value of the notes	2,500,000,000
Carrying value of the notes	2,500,000,000
Total $8.0 billion debt issuance
Debt Instrument [Line Items]
Face amount	8,000,000,000
Fair value of the notes	6,400,000,000
Carrying value of the notes	6,500,000,000
Total 700 million pounds debt issuance
Debt Instrument [Line Items]
Face amount \| £			£ 700,000,000.0
Fair value of the notes	900,000,000
Carrying value of the notes	900,000,000
Total 750 million euros debt issuance
Debt Instrument [Line Items]
Face amount \| €		€ 750,000,000.00
Fair value of the notes	900,000,000
Carrying value of the notes	800,000,000
Total $4.0 billion debt issuance
Debt Instrument [Line Items]
Face amount	4,000,000,000
Fair value of the notes	1,700,000,000
Carrying value of the notes	$ 1,700,000,000