XML 44 R29.htm IDEA: XBRL DOCUMENT v3.6.0.2
Goodwill and Other Intangible Assets and Liablities Goodwill (Tables)
 12 Months Ended
Dec. 31, 2016
Goodwill [Line Items]  
Business Combination, Segment Allocation [Table Text Block]
The changes in the carrying amount of goodwill were as follows (in millions):

 
 
December 31,
2016
 
December 31,
2015
Beginning balance
 
$
14,845

 
$
14,819

Additions
 
—

 
26

Ending balance
 
$
14,845

 
$
14,845