SEGMENT DATA: We measure segment performance based on operating income (loss). We have two reportable segments: local news and sports . Our local news segment, previously disclosed as our broadcast segment, provides free over-the-air programming to television viewing audiences and includes stations in 89 markets located throughout the continental United States. Our sports segment provides viewers with live professional sports content and includes 23 regional sports network brands. Other and Corporate are not reportable segments but are included for reconciliation purposes. Other primarily consists of original networks and content, including Tennis, non-broadcast digital and internet solutions, technical services, and other non-media investments. Corporate costs primarily include our costs to operate as a public company and to operate our corporate headquarters location. All of our businesses are located within the United States. For the three and nine months ended September 30, 2019 , local news and sports excluded $9 million of revenue and selling, general, and administrative expenses, respectively, for services provided by local news to sports , which are eliminated in consolidation. We had $3 million and $4 million in intercompany interest expense related to intercompany loans between other and corporate for the three months ended September 30, 2019 and 2018 , respectively. We had $10 million and $12 million in intercompany interest expense related to intercompany loans between other and corporate for the nine months ended September 30, 2019 and 2018 , respectively. Segment financial information is included in the following tables for the periods presented (in millions): As of September 30, 2019 Local News Sports Other Corporate Consolidated Assets $ 4,868 $ 11,815 $ 706 $ 390 $ 17,779 For the three months ended September 30, 2019 Local News Sports Other Corporate Consolidated Revenue $ 651 $ 352 $ 122 $  $ 1,125 Depreciation of property and equipment and amortization of definite-lived intangibles and other assets 60 54 6  120 Amortization of program contract costs and net realizable value adjustments 22    22 Corporate general and administrative expenses 23 92  122 237 Gain on asset dispositions and other, net of impairment (28 )   (7 ) (35 ) Operating income (loss) 146 (47 ) 9 (114 ) (6 ) Interest expense 1 73  55 129 Income (loss) from equity method investments  1 (13 )  (12 ) For the three months ended September 30, 2018 Local News Sports Other Corporate Consolidated Revenue $ 679 $  $ 87 $  $ 766 Depreciation of property and equipment and amortization of definite-lived intangibles and other assets 62  8  70 Amortization of program contract costs and net realizable value adjustments 24    24 Corporate general and administrative expenses 32   2 34 Gain on asset dispositions and other, net of impairment (11 )    (11 ) Operating income (loss) 170  (9 ) (3 ) 158 Interest expense 2   74 76 Loss from equity method investments   (14 )  (14 ) For the nine months ended September 30, 2019 Local News Sports Other Corporate Consolidated Revenue $ 1,930 $ 352 $ 336 $  $ 2,618 Depreciation of property and equipment and amortization of definite-lived intangibles and other assets 182 54 16  252 Amortization of program contract costs and net realizable value adjustments 68    68 Corporate general and administrative expenses 82 92 1 142 317 (Gain) loss on asset dispositions and other, net of impairment (51 )  1 (7 ) (57 ) Operating income (loss) 376 (47 ) (1 ) (135 ) 193 Interest expense 4 73 1 159 237 Income (loss) income from equity method investments  1 (39 )  (38 ) For the nine months ended September 30, 2018 Local News Sports Other Corporate Consolidated Revenue $ 1,917 $  $ 245 $  $ 2,162 Depreciation of property and equipment and amortization of definite-lived intangibles and other assets 184  22  206 Amortization of program contract costs and net realizable value adjustments 76    76 Corporate general and administrative expenses 80  1 8 89 (Gain) loss on asset dispositions and other, net of impairment (97 ) (b)  60 (a)  (37 ) Operating income (loss) 487 (b)  (82 ) (a) (8 ) 397 Interest expense 4  1 233 238 (Loss) income from equity method investments   (45 ) 1 (44 ) (a) Includes a $60 million impairment to the carrying value of a consolidated real estate venture. (b) Includes a gain of $83 million related to the auction proceeds. See Note 2. Acquisitions and Dispositions of Assets .