v3.7.0.1
Condensed Consolidated Statement of Cash Flows (Unaudited) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Operating Activities    
Net cash provided by operating activities $ 5,656 $ 5,399
Investing Activities    
Capital expenditures (2,078) (1,885)
Cash paid for intangible assets (416) (378)
Acquisitions and construction of real estate properties (130) (140)
Acquisitions, net of cash acquired (216) (24)
Proceeds from sales of investments 51 110
Purchases of investments (1,062) (448)
Other 57 56
Net cash provided by (used in) investing activities (3,794) (2,709)
Financing Activities    
Proceeds from (repayments of) short-term borrowings, net (1,893) (538)
Proceeds from borrowings 3,500 3,323
Repurchases and repayments of debt (1,059) (48)
Repurchases of common stock under repurchase program and employee plans (996) (1,427)
Dividends paid (657) (611)
Issuances of common stock 0 12
Distributions to noncontrolling interests and dividends for redeemable subsidiary preferred stock (72) (77)
Other 36 9
Net cash provided by (used in) financing activities (1,141) 643
Increase (decrease) in cash and cash equivalents 721 3,333
Cash and cash equivalents, beginning of period 3,301 2,295
Cash and cash equivalents, end of period 4,022 5,628
NBCUniversal Media LLC [Member]    
Operating Activities    
Net cash provided by operating activities 1,477 1,177
Investing Activities    
Capital expenditures (285) (295)
Cash paid for intangible assets (55) (52)
Acquisitions of real estate properties 0 (78)
Proceeds from sales of investments 10 101
Other (105) (14)
Net cash provided by (used in) investing activities (435) (338)
Financing Activities    
Repurchases and repayments of debt (49) (35)
Proceeds from (repayments of) borrowings from Comcast, net (849) (875)
Distributions to member (195) (195)
Distributions to noncontrolling interests (61) (63)
Other 28 0
Net cash provided by (used in) financing activities (1,126) (1,168)
Increase (decrease) in cash and cash equivalents (84) (329)
Cash and cash equivalents, beginning of period 1,966 1,410
Cash and cash equivalents, end of period $ 1,882 $ 1,081