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v3.19.2

Stockholders' equity (Reclassifications out of AOCI) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Mar. 31, 2019 | Jun. 30, 2018 | Mar. 31, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |
Interest and other income, net | $ 218 |  | $ 162 |  | $ 403 | $ 393
Income before income taxes | 2,564 |  | 2,647 |  | 4,878 | 5,266
Provision for income taxes | (385) |  | (351) |  | (707) | (659)
Net income | 2,179 | $ 1,992 | 2,296 | $ 2,311 | 4,171 | 4,607
Product sales [Member] |  |  |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |
Product sales | 5,574 |  | 5,679 |  | 10,860 | 11,022
Reclassification out of Accumulated Other Comprehensive Income [Member] | Cash flow hedges [Member] |  |  |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |
Income before income taxes | 36 |  | (318) |  | 8 | (188)
Provision for income taxes | (8) |  | 68 |  | (2) | 40
Net income | 28 |  | (250) |  | 6 | (148)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Available-for-sale securities [Member] |  |  |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |
Interest and other income, net | (2) |  | (115) |  | (6) | (249)
Provision for income taxes | 0 |  | 1 |  | 0 | 2
Net income | (2) |  | (114) |  | (6) | (247)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Foreign currency contract [Member] | Cash flow hedges [Member] | Product sales [Member] |  |  |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |
Product sales | 22 |  | (20) |  | 36 | (54)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Cross-currency swap contract [Member] | Cash flow hedges [Member] |  |  |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |
Interest and other income, net | 14 |  | (298) |  | (28) | (134)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Cash flow hedges [Member] | Foreign currency contract [Member] | Cash flow hedges [Member] | Product sales [Member] |  |  |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |
Product sales | 22 |  | (20) |  | 36 | (54)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Cash flow hedges [Member] | Cross-currency swap contract [Member] | Cash flow hedges [Member] |  |  |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |
Interest and other income, net | $ 14 |  | $ (298) |  | $ (28) | $ (134)

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