NOTE 7: ACCRUED LIABILITIES
Following is a summary of accrued liabilities at December 31, 2007 and 2006 (in millions):
2007
2006
Accrued liabilities relating to:
Contracts
$
583
674
Payroll
851
815
Property, sales and franchise taxes
256
333
Other
926
867
Total
2,616
2,689