Depository Shares Liquidation Preference

No definition available.

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- Definition

Percentage of Ownership Interest Per Each Depository Shares

+ References

No definition available.

+ Details

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- Definition

Preferred Stock, Dividend Payment Rate, Variable Rate

+ References

No definition available.

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- Definition

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

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

+ Details

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- Definition

Value of the difference between preference in liquidation and the par or stated values of the preferred shares.

+ References

No definition available.

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- Definition

Face amount per share of no-par value preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

+ Details

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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

+ Details

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- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

+ References

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- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

+ References

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- Definition

Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.

+ References

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

+ 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(30))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 4.E)
-URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707

Reference 3: 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(31))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: 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(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

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Stockholders' Equity - Narrative (Detail) - USD ($)		12 Months Ended
Stockholders' Equity - Narrative (Detail) - USD ($)	Aug. 08, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Jul. 18, 2017	Apr. 21, 2015	Dec. 31, 2014
Class of Stock [Line Items]
Preferred stock, shares authorized		10,000,000	10,000,000
Stockholders' Equity Attributable to Parent		$ 10,216,200,000	$ 9,770,400,000	$ 8,705,900,000
Number of shares authorized to be repurchased (in shares)					9,500,000	15,000,000
Preferred stock, par value (in dollars per share)
Average price paid per share for common stock repurchased (in dollars per share)		$ 90.25	$ 67.91	$ 72.52
Upper Limit
Class of Stock [Line Items]
Stock repurchase authorized amount		$ 454,600,000
Series D Preferred Stock Depositary Shares
Class of Stock [Line Items]
Preferred stock, shares outstanding		500,000
Per share ownership interest, percentage		1.00%
Preferred stock, shares issued		500,000
Preferred stock, liquidation preference	$ 100,000
Depository shares, liquidation preference per share	$ 1,000
Preferred stock, annual dividend rate	4.60%
Preferred stock, par value (in dollars per share)	$ 0
Preferred stock, variable rate	3.202%
Series D Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares outstanding		5,000	5,000
Preferred stock		$ 493,500,000	$ 493,500,000
Series C Preferred Stock, Depositary Shares
Class of Stock [Line Items]
Preferred stock, shares outstanding			16,000,000
Per share ownership interest, percentage			0.10%
Preferred stock, shares issued		16,000,000
Preferred stock, liquidation preference		$ 25,000	$ 25,000
Depository shares, liquidation preference per share		$ 25	$ 25
Preferred stock			$ 388,500,000
Preferred stock, par value (in dollars per share)			$ 0
Series C Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares outstanding		16,000	16,000
Preferred stock		$ 388,500,000	$ 388,500,000
Preferred stock, annual dividend rate		5.85%
Preferred Stock
Class of Stock [Line Items]
Stockholders' Equity Attributable to Parent		$ 882,000,000	$ 882,000,000	$ 388,500,000			$ 388,500,000
Preferred Stock \| Series C Preferred Stock
Class of Stock [Line Items]
Stockholders' Equity Attributable to Parent				$ 388,500,000