Depreciation And Amortization

6 Months Ended

Jun. 30, 2011

Depreciation And Amortization

Depreciation And Amortization

3. Accumulated depreciation of owned equipment and property at June 30, 2011 and December 31, 2010 was $11.3 billion and $11.1 billion, respectively. Accumulated amortization of equipment and property under capital leases at June 30, 2011 and December 31, 2010 was $530 million and $580 million, respectively.