v2.4.0.8
Condensed Consolidating Financial Information (Details 2) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Assets        
Cash and cash equivalents $ 3,243 $ 5,134 $ 4,017 $ 3,354
Other current assets 3,529 3,513    
Total current assets 6,772 8,647    
Property and equipment, net 21,707 20,880    
Goodwill 2,987 2,987    
Other assets 1,080 1,741    
Total assets 32,546 34,255    
Liabilities and equity        
Debt due within one year 323 1,367    
Other current liabilities 3,231 4,096    
Total current liabilities 3,554 5,463    
Long-term debt 10,379 11,092    
Other long-term liabilities 1,928 1,970    
Total long-term liabilities 12,307 13,062    
Commitments and contingencies          
Total equity 16,685 15,730 15,627 21,340
Total liabilities and equity 32,546 34,255    
Reportable Entity | Parent Guarantor
        
Assets        
Cash and cash equivalents 4 24 3 38
Other current assets 22 7    
Total current assets 26 31    
Investment in affiliates 18,151 16,354    
Total assets 18,177 16,385    
Liabilities and equity        
Other current liabilities 214 13    
Total current liabilities 214 13    
Long-term debt 1,237 594    
Other long-term liabilities 35 33    
Total long-term liabilities 1,272 627    
Total equity 16,691 15,745    
Total liabilities and equity 18,177 16,385    
Reportable Entity | Subsidiary Issuer
        
Assets        
Cash and cash equivalents 1,617 3,155 2,793 2,041
Other current assets 1,302 1,901    
Total current assets 2,919 5,056    
Investment in affiliates 31,308 27,933    
Other assets 2,427 1,804    
Total assets 36,654 34,793    
Liabilities and equity        
Debt due within one year   564    
Other current liabilities 526 632    
Total current liabilities 526 1,196    
Long-term debt 18,759 17,772    
Other long-term liabilities 232 454    
Total long-term liabilities 18,991 18,226    
Total equity 17,137 15,371    
Total liabilities and equity 36,654 34,793    
Reportable Entity | Other Subsidiaries
        
Assets        
Cash and cash equivalents 1,622 1,955 1,221 1,275
Other current assets 4,607 3,852    
Total current assets 6,229 5,807    
Property and equipment, net 21,707 20,880    
Goodwill 2,987 2,987    
Other assets 19,954 18,244    
Total assets 50,877 47,918    
Liabilities and equity        
Debt due within one year 323 803    
Other current liabilities 4,893 5,698    
Total current liabilities 5,216 6,501    
Long-term debt 11,684 11,033    
Other long-term liabilities 1,661 1,483    
Total long-term liabilities 13,345 12,516    
Total equity 32,316 28,901    
Total liabilities and equity 50,877 47,918    
Consolidating adjustments
        
Assets        
Other current assets (2,402) (2,247)    
Total current assets (2,402) (2,247)    
Investment in affiliates (49,459) (44,287)    
Other assets (21,301) (18,307)    
Total assets (73,162) (64,841)    
Liabilities and equity        
Other current liabilities (2,402) (2,247)    
Total current liabilities (2,402) (2,247)    
Long-term debt (21,301) (18,307)    
Total long-term liabilities (21,301) (18,307)    
Total equity (49,459) (44,287)    
Total liabilities and equity $ (73,162) $ (64,841)