Quarterly report pursuant to Section 13 or 15(d)

Restructuring Costs (Details)

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Restructuring Costs (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Restructuring Cost and Reserve [Line Items]        
Impairment charges     $ 18,000,000  
Accrued restructuring expense $ 6,000,000   6,000,000  
Write-off of leasehold improvements     1,000,000  
Restructuring costs and asset impairment charges     25,000,000  
Loss on restructuring 0      
Impairment, restructuring and acquisition costs $ (136,000,000) $ 24,000,000 $ 108,000,000 $ 24,000,000
Disposal Group, Not Discontinued Operations | Automatic Labs Inc        
Restructuring Cost and Reserve [Line Items]        
Impairment, restructuring and acquisition costs   $ 24,000,000   $ 24,000,000