General Motors 2010 Annual Report Download - page 206

GENERAL MOTORS COMPANY AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)
Successor
July 10, 2009 Through December 31, 2009
U.S. Plans
Pension Benefits
Non-U.S. Plans
Pension Benefits
U.S. Plans
Other Benefits
Non-U.S. Plans
Other Benefits
Components of expense
Service cost (a) ............................................ $ 254 $ 157 $ 62 $ 17
Interest cost ............................................... 2,578 602 886 94
Expected return on plan assets ................................ (3,047) (438) (432) —
Amortization of prior service cost (credit) ....................... — — — (1)
Curtailments, settlements, and other losses ....................... 249 9 2,580 —
Net periodic pension and OPEB expense ...................... $ 34 $ 330 $3,096 $ 110
Weighted-average assumptions used to determine benefit
obligations at December 31
Discount rate .............................................. 5.52% 5.31% 5.57% 5.22%
Rate of compensation increase ................................ 3.94% 3.27% 1.48% 4.45%
Weighted-average assumptions used to determine net expense for
the year ended December 31(b)
Discount rate .............................................. 5.63% 5.82% 6.81% 5.47%
Expected return on plan assets ................................ 8.50% 7.97% 8.50% —
Rate of compensation increase ................................ 3.94% 3.23% 1.48% 4.45%
(a) U.S. pension plan service cost includes plan administrative expenses of $38 million.
(b) Determined at the beginning of the period and updated for remeasurements. Appropriate discount rates were used to measure the
effects of curtailments and plan amendments on various plans.
204 General Motors Company 2010 Annual Report