Joint Ventures (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended	72 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013
Schedule of Equity Method Investments [Line Items]
Capital contribution	$ 411	$ 228	$ 383
VCE Company LLC
Schedule of Equity Method Investments [Line Items]
Capital contribution				1,132
Accumulated stock-based compensation contributed to joint venture				16
Consolidated ownership perentage of outstanding equity	58.00%			58.00%
Consolidated share of losses	63.00%	63.00%	63.00%
Loss From VCE	298	245	209	796
Revenue recognized from sales to VCE	439	286	134
Receivable from joint venture	$ 52	$ 44		$ 52

The percentage of share of gains or losses in the investee accounted for under the equity method of accounting.

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Represents monetary amount of stock-based compensation contributed to joint venture investment

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Amounts due from an entity in which the reporting entity shares joint control with another party or group, due within 1 year (or 1 business cycle).

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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