Redeemable Noncontrolling Interests in Subsidiaries - Activity of Redeemable Noncontrolling Interests in Subsidiaries (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Redeemable Noncontrolling Interest [Line Items]
Beginning balance	$ 1,155,584	$ 804,415	$ 280,394
Contributions from noncontrolling interests	681,994	517,471	189,779
Net loss	(768,822)	(375,230)	(151,758)
Distributions to noncontrolling interests	(104,875)	(90,974)	(122,641)
Transfers from noncontrolling interests in subsidiaries		25,248
Ending balance	1,413,628	1,155,584	804,415
Redeemable Noncontrolling Interests [Member]
Redeemable Noncontrolling Interest [Line Items]
Beginning balance	186,788	44,709	12,827
Contributions from noncontrolling interests	415,493	260,492	172,913
Net loss	(258,493)	(141,072)	(118,854)
Distributions to noncontrolling interests	(22,853)	(14,313)	(22,726)
Transfers from noncontrolling interests in subsidiaries		25,248
Acquisition of redeemable noncontrolling interests in subsidiaries		(2,450)
Ending balance	$ 320,935	186,788	44,709
Redeemable Noncontrolling Interests [Member] \| Paramount Energy Solutions Llc [Member]
Redeemable Noncontrolling Interest [Line Items]
Noncontrolling interest arising from acquisition of Paramount Energy			$ 549
Redeemable Noncontrolling Interests [Member] \| Silevo, Inc. [Member]
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interests arising from acquisition of Silevo		$ 14,174

Minority interest decrease from transfers to redeemable noncontrolling interest in subsidiaries.

No definition available.

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- Definition

Redeemable noncontrolling interest increase from business combination.

+ References

No definition available.

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- Definition

Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

+ References

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- Definition

Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

+ References

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- Definition

Increase in noncontrolling interest balance because of a business combination that occurred during the period.

+ References

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- Definition

Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.

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- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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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

Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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