XML 37 R22.htm IDEA: XBRL DOCUMENT v2.4.0.6
Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2013
Commitments and Contingencies Disclosure [Abstract]  
Unrecorded Unconditional Purchase Obligations Disclosure [Table Text Block]
(in millions)
Total
Nine months ending December 31, 2013
$
865

2014
1,525

2015
815

2016
810

2017
760

Thereafter
3,240

Total
$
8,015