v3.4.0.3
Supplemental Financial Information (Net Cash Provided by Operating Activities)(Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Net income $ 2,224 $ 2,141
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 2,278 2,066
Share-based compensation 153 135
Noncash interest expense (income), net 55 51
Equity in net (income) losses of investees, net 11 (33)
Cash received from investees 16 22
Net (gain) loss on investment activity and other (126) (121)
Deferred income taxes 217 (119)
Changes in operating assets and liabilities, net of effects of acquisitions and divestitures:    
Current and noncurrent receivables, net 562 119
Film and television costs, net (80) (38)
Accounts payable and accrued expenses related to trade creditors (cash flow) 12 372
Other operating assets and liabilities (212) 650
Net cash provided by operating activities 5,110 5,245
NBCUniversal Media LLC [Member]    
Net income 1,082 918
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 414 364
Equity in net (income) losses of investees, net 2 (20)
Cash received from investees 12 12
Net (gain) loss on investment activity and other (114) 46
Deferred income taxes 48 3
Changes in operating assets and liabilities, net of effects of acquisitions and divestitures:    
Current and noncurrent receivables, net 349 (106)
Film and television costs, net (84) (36)
Accounts payable and accrued expenses related to trade creditors (cash flow) (139) 16
Other operating assets and liabilities (393) 5
Net cash provided by operating activities $ 1,177 $ 1,202