v2.4.0.6

Supplemental Financial Information - Cash Flow Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net cash paid during the period for:
Interest	$ 292	$ 301	$ 278
Income taxes	28	25	19
Net gain (loss) on sale of assets:
Cash proceeds from the sale of assets	31	30	6
Book value of these assets	(12)	(40)	(142)
Non-cash gains (losses)	1		115
Net gain (loss) on sale of assets	20	(10)	(21)
Other items:
Value adjustments/impairment financial assets			(4)
Non-cash interest cost due to applying effective interest method	22	18	15
Others			(7)
Other items	22	18	4
Trident Shares [Member]
Non-cash investing information:
Non-cash investing information			177
Others [Member]
Non-cash investing information:
Non-cash investing information	$ 3

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- Definition

The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets, sale of business interests, securities and other non-current financial assets.

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- Definition

The estimated or actual value of the related asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose).

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- Definition

The gains (losses) included in earnings resulting from the sale or disposal of tangible assets. This item does not include any gain (loss) recognized on the sale of oil and gas property or timber property.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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Amount of noncash consideration received for selling an asset or business through a noncash (or part noncash) transaction.

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Other income (expense) included in net income that results in no cash inflows or outflows in the period. Includes noncash adjustments to reconcile net income (loss) to cash provided by (used in) operating activities that are not separately disclosed.

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