Note 14: Guarantees (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Product Warranty Liability [Table Text Block]

(in millions)
Accrued warranty obligations as of December 31, 2010	$	43
Actual warranty experience during 2011		(92	)
2011 warranty provisions		95
Accrued warranty obligations as of December 31, 2011	$	46
Actual warranty experience during 2012		(72	)
2012 warranty provisions		60
Accrued warranty obligations as of December 31, 2012	$	34

Deferred Revenue, by Arrangement, Disclosure [Table Text Block]

(in millions)
Deferred revenue as of December 31, 2010	$	130
New extended warranty and maintenance arrangements in 2011		428
Recognition of extended warranty and maintenance arrangement revenue in 2011		(438	)
Deferred revenue as of December 31, 2011	$	120
New extended warranty and maintenance arrangements in 2012		384
Recognition of extended warranty and maintenance arrangement revenue in 2012		(397	)
Deferred revenue as of December 31, 2012	$	107