Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
CURRENT ASSETS
Cash and cash equivalents	$ 900	$ 648
Receivables, less allowance for doubtful accounts	1,272	908
Inventories	1,763	1,257
Prepayments	118	85
Other current assets	98	30
Total Current Assets	4,151	2,928
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment, at cost	7,055	6,847
Less accumulated depreciation and amortization	(1,907)	(1,677)
Net Property, Plant and Equipment	5,148	5,170
OTHER NONCURRENT ASSETS
Acquired intangibles, net	226	246
Other, net	367	388
Total Other Noncurrent Assets	593	634
Total Assets	9,892	8,732
CURRENT LIABILITIES
Accounts payable	2,305	1,852
Accrued liabilities	526	492
Current maturities of debt	418	152
Total Current Liabilities	3,249	2,496
DEFERRED INCOME TAXES	815	616
OTHER NONCURRENT LIABILITIES	567	562
Debt	1,283	1,843
COMMITMENTS AND CONTINGENCIES (Note P)
TESORO CORPORATION STOCKHOLDERS' EQUITY
Common stock, par value $0.16 2/3; authorized 200,000,000 shares; 150,733,991 shares issued (149,105,570 in 2010)	25	25
Preferred stock, no par value; authorized 5,000,000 shares; 0 shares issued (0 in 2010)	0	0
Additional paid-in capital	1,000	970
Retained earnings	2,944	2,398
Treasury stock, 10,769,570 common shares (5,925,541 in 2010), at cost	(226)	(128)
Accumulated other comprehensive loss	(75)	(50)
Total Tesoro Corporation Stockholders' Equity	3,668	3,215
NONCONTROLLING INTEREST	310	0
Total Equity	3,978	3,215
Total Liabilities and Equity	$ 9,892	$ 8,732