XML 96 R135.htm IDEA: XBRL DOCUMENT v2.4.0.6
Retirement Plans (Details 5) (Defined benefit pension plan cost [Member], USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Defined benefit pension plan cost [Member]
 
Net actuarial loss:  
Reclassified to earnings from equity $ (51)
Losses in current year 93
Net actuarial loss, pretax $ 42