Table of Contents Index to Financial Statements Disaggregation of Revenues Receivables from Contracts with Customers The following table reconciles the Company’s receivables from contracts with customers to consolidated accounts receivable as presented on the consolidated balance sheet: 90 (1) Other E&P revenues consists primarily of water sales to third-party operators and other marketing revenues consists primarily of sales of gas from storage. (2) The Company’s gas gathering assets were divested in December 2018 as part of the Fayetteville Shale sale. Associated E&P revenues are also disaggregated for analysis on a geographic basis by the core areas in which the Company operates, which are primarily in Pennsylvania and West Virginia. In December 2018, the Company sold 100% of its Fayetteville Shale assets.  The Company presents a disaggregation of E&P revenues by product in the consolidated statements of operations net of intersegment revenues. The following table reconciles operating revenues as presented on the consolidated statements of operations to the operating revenues by segment: (in millions) E&P Marketing Intersegment Revenues Total Year ended December 31, 2019 Gas sales $ 1,207  $ —  $ 34  $ 1,241  Oil sales 220  —  3  223  NGL sales 274  —  —  274  Marketing —  2,849  (1,552) 1,297  Other  (1) 2  1  —  3  Total $ 1,703  $ 2,850  $ (1,515) $ 3,038  Year ended December 31, 2018 Gas sales $ 1,974  $ —  $ 24  $ 1,998  Oil sales 193  —  3  196  NGL sales 353  —  (1) 352  Marketing —  3,497  (2,275) 1,222  Gas gathering  (2) —  248  (159) 89  Other  (1) 5  —  —  5  Total $ 2,525  $ 3,745  $ (2,408) $ 3,862  Year ended December 31, 2017 Gas sales $ 1,775  $ —  $ 18  $ 1,793  Oil sales 101  —  1  102  NGL sales 206  —  —  206  Marketing —  2,867  (1,895) 972  Gas gathering  (2) —  331  (205) 126  Other  (1) 4  —  —  4  Total $ 2,086  $ 3,198  $ (2,081) $ 3,203  For the years ended December 31, (in millions) 2019 2018 2017 Northeast Appalachia $ 964  $ 1,165  $ 837  Southwest Appalachia 736  817  498  Fayetteville Shale —  537  743  Other 3  6  8  Total $ 1,703  $ 2,525  $ 2,086  (in millions) December 31, 2019 December 31, 2018 Receivables from contracts with customers $ 284  $ 494  Other accounts receivable 61  87  Total accounts receivable $ 345  $ 581 