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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(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

No definition available.

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- Definition

Amount of increase (decrease) of the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
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Debt - Narrative (Details)	6 Months Ended
Debt - Narrative (Details)	Jun. 30, 2016 USD ($)	Jul. 21, 2016 USD ($)	May 31, 2016 USD ($)	May 31, 2016 EUR (€)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Debt Instrument [Line Items]
Debt instrument, face amount	$ 24,500,000,000					$ 19,100,000,000
Medium-term Notes [Member] \| Euro Medium Term Note Due May 2020 [Member]
Debt Instrument [Line Items]
Debt instrument, face amount \| €				€ 500,000,000
Interest rate (percent)			1.168%	1.168%
Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, face amount	8,379,000,000.000
Secured Debt [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Increase in credit facilities during period	$ 2,500,000,000
Parent Company [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, face amount			$ 3,000,000,000		$ 2,750,000,000.00
Parent Company [Member] \| Senior Notes [Member] \| 4.2% Senior Notes Due March 2021 [Member]
Debt Instrument [Line Items]
Debt instrument, face amount					$ 1,500,000,000.0
Interest rate (percent)					4.20%
Parent Company [Member] \| Senior Notes [Member] \| 5.25% Senior Notes Due March 2026 [Member]
Debt Instrument [Line Items]
Debt instrument, face amount					$ 1,250,000,000.00
Interest rate (percent)					5.25%
Parent Company [Member] \| Senior Notes [Member] \| 2.40% Senior Notes Due May 2019 [Member]
Debt Instrument [Line Items]
Debt instrument, face amount			$ 1,400,000,000.0
Interest rate (percent)			2.40%	2.40%
Parent Company [Member] \| Senior Notes [Member] \| 3.70% Senior Notes Due May 2023 [Member]
Debt Instrument [Line Items]
Debt instrument, face amount			$ 1,200,000,000.0
Interest rate (percent)			3.70%	3.70%
Parent Company [Member] \| Senior Notes [Member] \| Floating Rate Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, face amount			$ 400,000,000
Parent Company [Member] \| Senior Notes [Member] \| 3.2% Senior Notes Due 2021 [Member] \| Subsequent Event [Member]
Debt Instrument [Line Items]
Debt instrument, face amount		$ 2,000,000,000
Interest rate (percent)		3.20%