XML 25 R23.htm IDEA: XBRL DOCUMENT
v3.20.1

Credit Losses on Financial Instruments (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2020
Credit Loss [Abstract] |
Financing Receivable, Allowance for Credit Loss | The following table presents the activity of our allowance for credit losses by accounts receivable portfolio:
| (Dollars in millions)
Beginning balance at January 1, 2020 (1) | $ | 35 |
Current period provision for expected losses | 13 |
Write-offs charged against the allowance | (16 | )
Recoveries collected | 5 |
Ending Balance at March 31, 2020 | $ | 37 |
______________________________________________________________________ (1) The beginning balance includes the cumulative effect of the adoption of new credit loss standard

X
- Definition Tabular disclosure of allowance for credit loss on financing receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
Name: | us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CreditLossAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration