Summary of Significant Accounting Policies - Summary of Credit Loss Adjustments (Details) $ in Millions |
12 Months Ended |
---|---|
Dec. 31, 2020
USD ($)
| |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] | |
Beginning balance | $ 63 |
Charged to Earnings | 47 |
Used | (34) |
Adjustments | (1) |
Ending balance | $ 75 |
X | ||||||||||
- Definition Accounts Receivable, Allowance For Credit Loss, Adjustments No definition available.
|
X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
|
X | ||||||||||
- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|