| Reportable Operating Segments |
Reportable Operating Segments As a result of organizational changes announced during the second quarter of 2021, our loyalty coalition businesses results, which were previously reported within the Global Merchant and Network Services (GMNS) segment, are now reported within the Global Consumer Services Group (GCSG) segment. Prior period segment results have been revised to conform with current period presentation. The following table presents certain selected financial information for our reportable operating segments and Corporate & Other as of or for the three and nine months ended September 30: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, 2021 (Millions, except where indicated) | | GCSG | | GCS | | GMNS | | Corporate & Other (a) | | Consolidated | | Total non-interest revenues | | $ | 4,699 | | | $ | 2,978 | | | $ | 1,280 | | | $ | (23) | | | $ | 8,934 | | Revenue from contracts with customers (b) | | 3,392 | | | 2,556 | | | 1,198 | | | (7) | | | 7,139 | | | Interest income | | 1,879 | | | 378 | | | 4 | | | 40 | | | 2,301 | | | Interest expense | | 174 | | | 111 | | | (24) | | | 46 | | | 307 | | | Total revenues net of interest expense | | 6,404 | | | 3,245 | | | 1,308 | | | (29) | | | 10,928 | | | Pretax segment income (loss) | | $ | 1,488 | | | $ | 718 | | | $ | 529 | | | $ | (285) | | | $ | 2,450 | | Total assets (billions) | | $ | 92 | | | $ | 48 | | | $ | 14 | | | $ | 30 | | | $ | 184 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Nine Months Ended September 30, 2021 (Millions, except where indicated) | | GCSG | | GCS | | GMNS | | Corporate & Other (a) | | Consolidated | | Total non-interest revenues | | $ | 12,982 | | | $ | 8,225 | | | $ | 3,545 | | | $ | (159) | | | $ | 24,593 | | Revenue from contracts with customers (b) | | 9,229 | | | 7,019 | | | 3,327 | | | (20) | | | 19,555 | | | Interest income | | 5,436 | | | 1,059 | | | 12 | | | 126 | | | 6,633 | | | Interest expense | | 536 | | | 338 | | | (61) | | | 178 | | | 991 | | | Total revenues net of interest expense | | 17,882 | | | 8,946 | | | 3,618 | | | (211) | | | 30,235 | | | Pretax segment income (loss) | | $ | 5,525 | | | $ | 2,222 | | | $ | 1,441 | | | $ | (805) | | | $ | 8,383 | | Total assets (billions) | | $ | 92 | | | $ | 48 | | | $ | 14 | | | $ | 30 | | | $ | 184 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, 2020 (Millions, except where indicated) | | GCSG | | GCS | | GMNS | | Corporate & Other (a) | | Consolidated | | Total non-interest revenues | | $ | 3,632 | | | $ | 2,327 | | | $ | 997 | | | $ | (79) | | | $ | 6,877 | | Revenue from contracts with customers (b) | | 2,476 | | | 1,969 | | | 941 | | | (6) | | | 5,380 | | | Interest income | | 1,916 | | | 351 | | | 4 | | | 53 | | | 2,324 | | | Interest expense | | 244 | | | 139 | | | (19) | | | 86 | | | 450 | | | Total revenues net of interest expense | | 5,304 | | | 2,539 | | | 1,020 | | | (112) | | | 8,751 | | | Pretax segment income (loss) | | $ | 1,125 | | | $ | 272 | | | $ | 326 | | | $ | (359) | | | $ | 1,364 | | Total assets (billions) | | $ | 82 | | | $ | 40 | | | $ | 12 | | | $ | 53 | | | $ | 187 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Nine Months Ended September 30, 2020 (Millions, except where indicated) | | GCSG | | GCS | | GMNS | | Corporate & Other (a) | | Consolidated | | Total non-interest revenues | | $ | 10,662 | | | $ | 7,129 | | | $ | 3,057 | | | $ | (200) | | | $ | 20,648 | | Revenue from contracts with customers (b) | | 7,205 | | | 5,993 | | | 2,857 | | | (22) | | | 16,033 | | | Interest income | | 6,298 | | | 1,252 | | | 14 | | | 232 | | | 7,796 | | | Interest expense | | 844 | | | 493 | | | (61) | | | 432 | | | 1,708 | | | Total revenues net of interest expense | | 16,116 | | | 7,888 | | | 3,132 | | | (400) | | | 26,736 | | | Pretax segment income (loss) | | $ | 2,227 | | | $ | 269 | | | $ | 1,039 | | | $ | (1,097) | | | $ | 2,438 | | Total assets (billions) | | $ | 82 | | | $ | 40 | | | $ | 12 | | | $ | 53 | | | $ | 187 | |
(a)Corporate & Other includes adjustments and eliminations for intersegment activity. (b)Includes discount revenue, certain other fees and commissions and other revenues from customers.
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