Company Transformation (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Components of transformation costs
Non-cash asset impairment	$ 0		$ 55
Advisory fees	22		43
IT Costs	21		22
Employee retention	8		11
Other costs	11		16
Transformation costs in operating income	62	0	147	0
Tax-related separation cost	14		14
Total transformation costs before tax benefit	76		161
Income tax expense benefit	(30)		(52)
Total transformation costs, net of tax impact	$ 46		$ 109