XML 58 R46.htm IDEA: XBRL DOCUMENT v3.10.0.1
Change in Accounting Principles (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Jan. 01, 2018
Dec. 31, 2017
Dec. 31, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Production and Operating Expenses $ 1,367 $ 1,222 [1],[2] $ 3,851 $ 3,838 [1],[2]      
Selling, General and Administrative Expense 119 110 [1],[2] 336 302 [1],[2]      
Exploration Expense 103 73 [1],[2] 267 720 [1],[2]      
Other Non Operating Expense 10 77 [1] 350 421 [1]      
Liabilities [Abstract]              
Other accruals 1,180   1,180     $ 1,029  
Total Current Liabilities 7,401   7,401     9,397  
Deferred Tax Liabilities, Noncurrent 5,535   5,535     5,282  
Deferred Credits and Other Liabilities 1,330   1,330     1,269  
Total Liabilities 38,477   38,477     42,561  
Accumulated Other Comprehensive Income [Abstract]              
Accumulated Other Comprehensive Income , Net of Tax (5,442)   (5,442)     (5,518)  
Retained Earnings (Accumulated Deficit) 32,495   32,495     29,391  
Stockholders' Equity Attributable to Parent 31,950   31,950     30,607  
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest $ 32,079 30,712 $ 32,079 30,712   30,801 $ 35,226
Adjustments for New Accounting Pronouncement [Member]              
Liabilities [Abstract]              
Other accruals         $ 1,133 1,029  
Total Current Liabilities         9,501 9,397  
Deferred Tax Liabilities, Noncurrent         5,251 5,282  
Deferred Credits and Other Liabilities         1,416 1,269  
Total Liabilities         42,781 42,561  
Accumulated Other Comprehensive Income [Abstract]              
Accumulated Other Comprehensive Income , Net of Tax         (5,460) (5,518)  
Retained Earnings (Accumulated Deficit)         29,113 29,391  
Stockholders' Equity Attributable to Parent         30,387 30,607  
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest         30,581 $ 30,801  
ASU 2014-09 Revenue Recognition [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member]              
Liabilities [Abstract]              
Other accruals [3]         104    
Total Current Liabilities [3]         104    
Deferred Tax Liabilities, Noncurrent [3]         (31)    
Deferred Credits and Other Liabilities [3]         147    
Total Liabilities [3]         220    
Accumulated Other Comprehensive Income [Abstract]              
Accumulated Other Comprehensive Income , Net of Tax [3]         0    
Retained Earnings (Accumulated Deficit) [3]         (220)    
Stockholders' Equity Attributable to Parent [3]         (220)    
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [3]         (220)    
ASU 2016-01 Accounting for Cenovus Shares [Member] | Restatement Adjustment [Member]              
Accumulated Other Comprehensive Income [Abstract]              
Accumulated Other Comprehensive Income , Net of Tax         58    
Retained Earnings (Accumulated Deficit)         $ (58)    
ASU 2017-07 Pension Costs [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Production and Operating Expenses   1,222   3,838      
Selling, General and Administrative Expense   110   302      
Exploration Expense   73   720      
Other Non Operating Expense   77   421      
ASU 2017-07 Pension Costs [Member] | Previously Reported [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Production and Operating Expenses   1,224   3,849      
Selling, General and Administrative Expense   132   423      
Exploration Expense   75   724      
Other Non Operating Expense   51   285      
ASU 2017-07 Pension Costs [Member] | Restatement Adjustment [Member]              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Production and Operating Expenses   (2)   (11)      
Selling, General and Administrative Expense   (22)   (121)      
Exploration Expense   (2)   (4)      
Other Non Operating Expense   $ 26   $ 136      
[1]
*Certain amounts have been reclassified to conform to the current-period presentation resulting from the adoption of ASU No. 2017-07.
[2]
See Note 2—Changes in Accounting Principles, for additional information.
[3]
For discussion of adjustments for ASU No. 2016-01 and ASC Topic 606, see Note ##NICE—Investment in Cenovus Energy and Note ##NSAOR—Sales and Other Operating Revenues, respectively.