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Organization and Basis of Presentation (Tables) | 3 Months Ended
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Mar. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Activity in the allowance for uncollectible accounts on customer receivables | Activity in the allowance for uncollectible accounts on customer receivables for the three months ended March 31, 2020 and for the year ended December 31, 2019 are as follows:
|  | (In millions)
Balance, January 1, 2019 |  | 50 |
Charged to income |  | 81 |
Charged to other accounts (1) |  | 47 |
Write-offs |  | (132 | )
Balance, December 31, 2019 |  | $ | 46 |
Charged to income |  | 19 |
Charged to other accounts (1) |  | 14 |
Write-offs |  | (35 | )
Balance, March 31, 2020 |  | $ | 44 |
(1) Represents recoveries and reinstatements of accounts written off for uncollectible accounts.

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- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: 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
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