Halliburton 2011 Annual Report Download - page 97

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82
December 31
Millions of dollars 2011 2010
Total assets:
Completion and Production $ 10,953 $ 7,815
Drilling and Evaluation 8,212 7,088
Shared assets 1,249 942
Corporate and other 3,263 2,452
Total $ 23,677 $ 18,297
Not all assets are associated with specific segments. Those assets specific to segments include
receivables, inventories, certain identified property, plant, and equipment (including field service
equipment), equity in and advances to related companies, and goodwill. The remaining assets, such as cash,
are considered to be shared among the segments.
Revenue by country is determined based on the location of services provided and products sold.
Operations by geographic area
Year Ended December 31
Millions of dollars 2011 2010 2009
Revenue:
United States $ 13,548 $ 8,209 $ 5,248
Other countries 11,281 9,764 9,427
Total $ 24,829 $ 17,973 $ 14,675
December 31
Millions of dollars 2011 2010
Long-lived assets:
United States $ 6,692 $ 5,389
Other countries 5,189 3,821
Total $ 11,881 $ 9,210
Note 3. Receivables
Our trade receivables are generally not collateralized. At December 31, 2011, 45% of our gross
trade receivables were from customers in the United States. At December 31, 2010, 36% of our gross trade
receivables were from customers in the United States. No other country or single customer accounted for
more than 10% of our gross trade receivables at these dates.
The following table presents a rollforward of our allowance for bad debts for 2009, 2010, and
2011.
Balance at Charged to
Millions of dollars
Beginning of
Costs and Balance at
Allowance for bad debts Period Expenses Write-Offs End of Period
Year ended December 31, 2009: $ 60 $ 37 $ (7) $ 90
Year ended December 31, 2010: 90 5 (4) 91
Year ended December 31, 2011: 91 53 (7) 137