v2.4.0.6
Goodwill Goodwill Rollforward (Tables)
 3 Months Ended
Mar. 31, 2012
Goodwill [Abstract]  
Schedule of Goodwill [Table Text Block]
The following tables summarize the changes in the carrying amounts of Goodwill (dollars in millions):
 
GMNA
 
GME
 
GMIO
 
GMSA
 
Total
Automotive
 
GM
Financial
 
Total
Balance at January 1, 2012
$
26,399

 
$
581

 
$
610

 
$
151

 
$
27,741

 
$
1,278

 
$
29,019

Impairment charges
—

 
(590
)
 
(27
)
 
—

 
(617
)
 
—

 
(617
)
Effect of foreign currency translation and other
1

 
9

 
15

 
6

 
31

 
—

 
31

Balance at March 31, 2012
$
26,400

 
$
—

 
$
598

 
$
157

 
$
27,155

 
$
1,278

 
$
28,433

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Accumulated impairment charges at December 31, 2011
$
—

 
$
(2,482
)
 
$
(270
)
 
$
—

 
$
(2,752
)
 
$
—

 
$
(2,752
)
Accumulated impairment charges at March 31, 2012
$
—

 
$
(3,072
)
 
$
(297
)
 
$
—

 
$
(3,369
)
 
$
—

 
$
(3,369
)
Goodwill balances and key assumptions utilized for each of our reporting units that required a Step 2 analysis [Table Text Block]
 
 
 
 
 
 
 
Industry Sales(a)(b)
 
Market Share(a)(b)
 
Goodwill(c)
 
WACC
 
Long-Term Growth Rates
 
2011/2012
 
2015/2016
 
2011/2012
 
2015/2016
GME - At January 1, 2011
$
3,053

 
17.0
%
 
0.5
%
 
18.4
 
22.0
 
6.6
%
 
7.4
%
GME - At March 31, 2011
$
1,661

 
16.5
%
 
0.5
%
 
18.4
 
22.0
 
6.6
%
 
7.4
%
GME - At March 31, 2012
$
594

 
17.5
%
 
0.5
%
 
19.1
 
21.9
 
6.2
%
 
6.3
%
GM Korea - At March 31, 2012
$
564

 
14.8
%
 
3.0
%
 
81.0
 
97.1
 
1.4
%
 
1.1
%
_________
(a)
Industry sales and market share for GM Korea are based on global industry volumes because GM Korea exports vehicles globally.
(b)
Asset Impairment Charges [Text Block]
The following tables summarize the Goodwill impairment charges recorded in the three months ended March 31, 2012 and 2011 (dollars in millions):
 
Three Months Ended March 31, 2012
 
GMNA
 
GME
 
GMIO
 
GMSA
 
Total
Automotive
 
GM
Financial
 
Total
Impairment charges
$
—

 
$
590

 
$
27

 
$
—

 
$
617

 
$
—

 
$
617


 
Three Months Ended March 31, 2011
 
GMNA
 
GME
 
GMIO
 
GMSA
 
Total
Automotive
 
GM
Financial
 
Total
Effect of Adoption of
  ASU 2010-28(a)
$
—

 
$
1,466

 
$
—

 
$
—

 
$
1,466

 
$
—

 
$
1,466

Impairment charges
—

 
395

 
—

 
—

 
395

 
—

 
395

Total impairment of goodwill
$
—

 
$
1,861

 
$
—

 
$
—

 
$
1,861

 
$
—

 
$
1,861

_________
(a)
Impairment charges of $1.5 billion were recorded as a cumulative-effect adjustment to beginning Retained earnings upon the adoption of ASU 2010-28.