v2.4.0.6
Discontinued Operations - Financial Statement Disclosures (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Sales and other operating revenues and income (loss) from discontinued operations      
Income tax expense (benefit) $ (9) $ 434  
Income from discontinued operations 129 [1] 776 [1]  
Phillips 66 [Member]
      
Sales and other operating revenues and income (loss) from discontinued operations      
Sales and other operating revenues from discontinued operations   45,498  
Income (loss) from discontinued operations before-tax   1,008  
Income tax expense (benefit)   294  
Income from discontinued operations   714  
Kashagan, Algeria and Nigeria [Member]
      
Assets      
Accounts and notes receivable 302   268
Accounts and notes receivable-related parties 2   1
Inventories 48   44
Prepaid expenses and other current assets 154   220
Total current assets of discontinued operations 506   533
Investments and long-term receivables 281   272
Loans and advances-related parties 22   29
Net properties, plants and equipment 6,775   6,629
Other assets 2   4
Total assets of discontinued operations 7,586   7,467
Liabilities      
Accounts payable 437   471
Accrued income and other taxes 154   125
Total current liabilities of discontinued operations 591   596
Asset retirement obligations and accrued environmental costs 133   131
Deferred income taxes 777   759
Total liabilities of discontinued operations 1,501   1,486
Sales and other operating revenues and income (loss) from discontinued operations      
Sales and other operating revenues from discontinued operations 329 391  
Income (loss) from discontinued operations before-tax 120 202  
Income tax expense (benefit) (9) 140  
Income from discontinued operations $ 129 $ 62  
[1] *Net of provision for income taxes on discontinued operations of: 2013 $(9) ;2012 $434