Commitments and Contingencies - Litigation-Related Liability and Tax Administrative Matters (Details) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2019
USD ($)
numberOfLitigationCase
|
Mar. 31, 2021
USD ($)
|
Dec. 31, 2020
USD ($)
|
|
| Accrued Liabilities, Current and Other Liabilities, Noncurrent | |||
| Loss Contingencies [Line Items] | |||
| Estimated litigation liability | $ 1,100 | $ 1,200 | |
| Indirect Tax Matters | |||
| Loss Contingencies [Line Items] | |||
| Estimate of possible loss | 800 | ||
| Korea Wage Litigation - Salaried | |||
| Loss Contingencies [Line Items] | |||
| Estimate of possible loss | 180 | ||
| Korea Wage Litigation - Former Subcontract Workers | |||
| Loss Contingencies [Line Items] | |||
| Estimate of possible loss | 120 | ||
| Probable loss accrual | $ 250 | ||
| Foreign Tax Authority | Brazil | |||
| Loss Contingencies [Line Items] | |||
| Number of rendered favorable decisions | numberOfLitigationCase | 3 | ||
| Estimated potential recovery from taxing authority | $ 1,400 |