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v3.19.3

Segment Reporting - Retrospective Adjustment (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | $ 64,810 | $ 47,490 | $ 189,887 | $ 140,155
Cost of products sold | 40,437 | 39,502 | 116,654 | 115,883
Benefit costs | 12,850 | 439 | 39,396 | 2,399
Operating expenses | 8,595 | 4,975 | 24,887 | 14,755
Operating income (GAAP measure) | 2,928 | 2,574 | 8,950 | 3,197
Adjusted operating income (loss) | 3,947 | 2,650 | 11,573 | 7,542
Operating Segments | Pharmacy Services Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 36,018 | 33,864 | 104,418 | 99,837
Cost of products sold |  | 32,238 |  | 95,518
Benefit costs |  | 0 |  | 0
Operating expenses |  | 351 |  | 1,051
Operating income (GAAP measure) |  | 1,275 |  | 3,268
Adjusted operating income (loss) | 1,439 | 1,362 | 3,682 | 3,530
Operating Segments | Retail Long-Term Care Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 21,466 | 20,856 | 64,028 | 61,960
Cost of products sold |  | 15,042 |  | 44,318
Benefit costs |  | 0 |  | 0
Operating expenses |  | 4,323 |  | 12,831
Operating income (GAAP measure) |  | 1,491 |  | 890
Adjusted operating income (loss) | 1,516 | 1,622 | 4,674 | 5,279
Operating Segments | Health Care Benefits Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 17,181 | 641 | 52,454 | 2,723
Cost of products sold |  | 0 |  | 0
Benefit costs |  | 439 |  | 2,399
Operating expenses |  | 128 |  | 388
Operating income (GAAP measure) |  | 74 |  | (64)
Adjusted operating income (loss) | 1,423 | 75 | 4,423 | (62)
Operating Segments | Corporate / Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 152 | 217 | 423 | 475
Cost of products sold |  | 0 |  | 0
Benefit costs |  | 0 |  | 0
Operating expenses |  | 287 |  | 814
Operating income (GAAP measure) |  | (70) |  | (339)
Adjusted operating income (loss) | (252) | (213) | (685) | (647)
Intersegment Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | (10,007) | (8,088) | (31,436) | (24,840)
Cost of products sold |  | (7,778) |  | (23,953)
Benefit costs |  | 0 |  | 0
Operating expenses |  | (114) |  | (329)
Operating income (GAAP measure) |  | (196) |  | (558)
Adjusted operating income (loss) | $ (179) | (196) | $ (521) | (558)
Previously Reported |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues |  | 47,490 |  | 140,155
Cost of products sold |  | 39,502 |  | 115,883
Benefit costs |  | 439 |  | 2,399
Operating expenses |  | 4,975 |  | 14,755
Operating income (GAAP measure) |  | 2,574 |  | 3,197
Previously Reported | Operating Segments | Pharmacy Services Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues |  | 33,767 |  | 99,238
Cost of products sold |  | 31,587 |  | 92,459
Benefit costs |  | 439 |  | 2,399
Operating expenses |  | 392 |  | 1,176
Operating income (GAAP measure) |  | 1,349 |  | 3,204
Previously Reported | Operating Segments | Retail Long-Term Care Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues |  | 20,856 |  | 61,960
Cost of products sold |  | 15,042 |  | 44,318
Benefit costs |  | 0 |  | 0
Operating expenses |  | 4,323 |  | 12,831
Operating income (GAAP measure) |  | 1,491 |  | 890
Previously Reported | Operating Segments | Health Care Benefits Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues |  | 0 |  | 0
Cost of products sold |  | 0 |  | 0
Benefit costs |  | 0 |  | 0
Operating expenses |  | 0 |  | 0
Operating income (GAAP measure) |  | 0 |  | 0
Previously Reported | Operating Segments | Corporate / Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues |  | 217 |  | 475
Cost of products sold |  | 0 |  | 0
Benefit costs |  | 0 |  | 0
Operating expenses |  | 287 |  | 814
Operating income (GAAP measure) |  | (70) |  | (339)
Previously Reported | Intersegment Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues |  | (7,350) |  | (21,518)
Cost of products sold |  | (7,127) |  | (20,894)
Benefit costs |  | 0 |  | 0
Operating expenses |  | (27) |  | (66)
Operating income (GAAP measure) |  | (196) |  | (558)
Restatement Adjustment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues |  | 0 |  | 0
Cost of products sold |  | 0 |  | 0
Benefit costs |  | 0 |  | 0
Operating expenses |  | 0 |  | 0
Operating income (GAAP measure) |  | 0 |  | 0
Adjusted operating income (loss) |  | 76 |  | 4,345
Restatement Adjustment | Operating Segments | Pharmacy Services Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues |  | 97 |  | 599
Cost of products sold |  | 651 |  | 3,059
Benefit costs |  | (439) |  | (2,399)
Operating expenses |  | (41) |  | (125)
Operating income (GAAP measure) |  | (74) |  | 64
Adjusted operating income (loss) |  | 87 |  | 262
Restatement Adjustment | Operating Segments | Retail Long-Term Care Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues |  | 0 |  | 0
Cost of products sold |  | 0 |  | 0
Benefit costs |  | 0 |  | 0
Operating expenses |  | 0 |  | 0
Operating income (GAAP measure) |  | 0 |  | 0
Adjusted operating income (loss) |  | 131 |  | 4,389
Restatement Adjustment | Operating Segments | Health Care Benefits Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues |  | 641 |  | 2,723
Cost of products sold |  | 0 |  | 0
Benefit costs |  | 439 |  | 2,399
Operating expenses |  | 128 |  | 388
Operating income (GAAP measure) |  | 74 |  | (64)
Adjusted operating income (loss) |  | 1 |  | 2
Restatement Adjustment | Operating Segments | Corporate / Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues |  | 0 |  | 0
Cost of products sold |  | 0 |  | 0
Benefit costs |  | 0 |  | 0
Operating expenses |  | 0 |  | 0
Operating income (GAAP measure) |  | 0 |  | 0
Adjusted operating income (loss) |  | (143) |  | (308)
Restatement Adjustment | Intersegment Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues |  | (738) |  | (3,322)
Cost of products sold |  | (651) |  | (3,059)
Benefit costs |  | 0 |  | 0
Operating expenses |  | (87) |  | (263)
Operating income (GAAP measure) |  | 0 |  | 0
Adjusted operating income (loss) |  | $ 0 |  | $ 0

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