Nature of the Business and Liquidity Nature of the Business and Liquidity (Details 1) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2018
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Prior period reclassification adjustment	$ 336	$ 216
Wholesale fees (Revenue)
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Prior period reclassification adjustment	856	1,218
Medicaid (Revenue)
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Prior period reclassification adjustment	297	297
Pricing and shipment adjustment (Revenue)
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Prior period reclassification adjustment	(502)	(502)
Sales return reserve (Revenue)
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Prior period reclassification adjustment	0	(577)
Inventory adjustments (Cost of revenues)
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Prior period reclassification adjustment	0	95
Capitalization of property, plant and equipment (Cost of revenues)
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Prior period reclassification adjustment	263	263
Bad debt expense (SG&A)
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Prior period reclassification adjustment	$ (578)	$ (578)