Note 17: Other Income (Charges), Net (Detail) - Other Income (Charges), Net (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Interest income	$ 11	$ 10	$ 11
Gain on sale of investment	23		10
Loss on foreign exchange transactions	(16)	(14)	(5)
Dividend income	1
Other	2		7
Total	$ 21	$ (4)	$ 23

The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.

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Income derived from investments in equity securities representing a distribution of earnings to shareholders by the investee companies.

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