The percentage of debt offering price at par value during the period.

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- Definition

Equity Method Investments, Preferred Returns Rate

+ References

No definition available.

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- Definition

Payments To Acquire Preferred Equity Investment

+ References

No definition available.

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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

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- Definition

The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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-Publisher FASB
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-SubTopic 10
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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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- Definition

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.

+ References

No definition available.

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Subsequent Events (Details) - USD ($)	1 Months Ended
Subsequent Events (Details) - USD ($)	Feb. 21, 2019	Jan. 31, 2019	Jan. 28, 2019	Nov. 30, 2018	Feb. 19, 2019	Dec. 31, 2018	Dec. 31, 2017
Subsequent Event [Line Items]
Debt instrument, face amount						$ 3,200,000,000	$ 2,900,000,000
Annualized preferred return rate				9.90%
Remaining purchase authority under stock repurchase program						$ 197,700,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Repayments of debt		$ 290,000,000
Interest rate, stated percentage		5.57%
Payments to acquire related party equity investment	$ 24,500,000
Annualized preferred return rate	11.00%
Shares repurchased during period			234,061
Value of shares repurchased during period			$ 57,000,000
Share price of shares repurchased during period (in dollars per share)			$ 243.48
Remaining purchase authority under stock repurchase program					$ 250,000,000
Subsequent Event [Member] \| Unsecured Notes, 4.0 Interest Rate, Due March 2029 [Member] \| Senior Notes [Member]
Subsequent Event [Line Items]
Interest rate, stated percentage	4.00%
Debt instrument, face amount	$ 350,000,000
Debt offering price	99.188%