Consolidated Balance Sheet - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 3,428	$ 3,301
Receivables, net	8,546	7,955
Programming rights	1,613	1,250
Deposits	9	1,772
Other current assets	2,464	2,083
Total current assets	16,060	16,361
Film and television costs	7,076	7,252
Investments	6,931	5,247
Property and equipment, net	38,470	36,253
Franchise rights	59,364	59,364
Goodwill	36,780	35,980
Other intangible assets, net	18,779	17,274
Other noncurrent assets, net	3,489	2,769
Total assets	186,949	180,500
Current Liabilities:
Accounts payable and accrued expenses related to trade creditors	6,926	6,915
Accrued participations and residuals	1,683	1,726
Deferred revenue	1,552	1,132
Accrued expenses and other current liabilities	6,266	6,282
Current portion of long-term debt	5,134	5,480
Total current liabilities	21,561	21,535
Long-term debt, less current portion	59,422	55,566
Deferred income taxes	24,256	34,854
Other noncurrent liabilities	10,904	10,925
Commitments and contingencies
Redeemable noncontrolling interests	1,357	1,446
Equity:
Preferred stock—authorized, 20,000,000 shares; issued, zero	0	0
Common stock	55	56
Additional paid-in capital	37,497	38,230
Retained earnings	38,192	23,076
Treasury stock, 872,791,028 Class A common shares	(7,517)	(7,517)
Accumulated other comprehensive income (loss)	379	98
Total Comcast Corporation shareholders’ equity	68,606	53,943
Noncontrolling interests	843	2,231
Total equity	69,449	56,174
Total liabilities and equity	186,949	180,500
NBCUniversal Media LLC [Member]
Current Assets:
Cash and cash equivalents	2,347	1,966
Receivables, net	6,682	6,302
Programming rights	1,606	1,241
Other current assets	1,038	938
Total current assets	11,673	10,447
Film and television costs	7,071	7,245
Investments	1,816	1,263
Property and equipment, net	11,346	10,511
Goodwill	23,989	23,323
Intangible assets, net	13,306	13,777
Other noncurrent assets, net	1,872	1,688
Total assets	71,073	68,254
Current Liabilities:
Accounts payable and accrued expenses related to trade creditors	1,663	1,647
Accrued participations and residuals	1,683	1,726
Program obligations	745	807
Deferred revenue	1,438	1,016
Accrued expenses and other current liabilities	2,044	1,888
Note payable to Comcast	1,831	2,703
Current portion of long-term debt	198	127
Total current liabilities	9,602	9,914
Long-term debt, less current portion	12,275	11,461
Accrued participations, residuals and program obligations	1,490	1,202
Other noncurrent liabilities	4,109	4,130
Commitments and contingencies
Redeemable noncontrolling interests	409	530
Equity:
Member’s capital	42,295	39,036
Accumulated other comprehensive income (loss)	(20)	(135)
Total NBCUniversal member’s equity	42,275	38,901
Noncontrolling interests	913	2,116
Total equity	43,188	41,017
Total liabilities and equity	71,073	68,254
Class A Common Stock [Member]
Equity:
Common stock	55	56
Class B Common Stock [Member]
Equity:
Common stock	$ 0	$ 0