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Schedule II | 12 Months Ended
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Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] |
Description |  | Balance at Beginning of Year |  | Charges to Costs and Expenses (a) |  | Deductions to Allowances for Uncollectible Accounts (b) |  | Charges to (Deductions from) Other Accounts (c) |  | Balance at End of Year
Year Ended December 31, 2019: |  |  |  |  |  |  |  |  |  |
Allowances for uncollectible accounts (d) |  | $ | 68 |  |  | 23 |  |  | (17 | ) |  | — |  |  | $ | 74 |
Year Ended December 31, 2018: |  |  |  |  |  |  |  |  |  |
Allowances for uncollectible accounts (d) |  | $ | 98 |  |  | 19 |  |  | (19 | ) |  | (30 | ) |  | $ | 68 |
Year Ended December 31, 2017: |  |  |  |  |  |  |  |  |  |
Allowances for uncollectible accounts and sales returns and allowances |  | $ | 119 |  |  | 14 |  |  | (18 | ) |  | (17 | ) |  | $ | 98 |
(a) Represents allowances for uncollectible accounts established through selling, general and administrative expenses. (b) Represents actual write-offs of uncollectible accounts. (c) Represents net change in allowances for sales returns, recorded as contra-revenue. (d) Following the adoption of FASB ASC Topic 606 as of January 1, 2018, the allowance for sales returns has been reclassified from Trade accounts receivable, net to Other current liabilities within the consolidated balance sheets and is not included in the ending balance for 2018 above. Prior period balances remain unchanged.

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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