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

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))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16(a))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Amount of stock repurchase plan authorized.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events (Details) - USD ($)	Oct. 31, 2018	Oct. 25, 2018	Sep. 30, 2018	Dec. 31, 2017
Subsequent Event [Line Items]
Debt issued			$ 5,781,000,000	$ 4,731,000,000
Senior Notes [Member] \| Senior Notes Due 2024 [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Debt issued	$ 500,000,000
Fixed interest rate	3.55%
Senior Notes [Member] \| Senior Notes Due 2029 [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Debt issued	$ 600,000,000
Fixed interest rate	4.00%
Common Stock [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Share repurchase, authorized amount		$ 1,000,000,000.0