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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule II—Valuation and Qualifying Accounts | Schedule II—Valuation and Qualifying Accounts The table below presents valuation and qualifying accounts for continuing operations.
(Dollars in Millions) |  |  | Additions |  |  |  |
Descriptions | Balance at Beginning Period |  | Charged to Costs and Expenses |  | Charged to Other Accounts |  | Deductions |  | Balance at End of Period
Year ended December 31, 2019: |  |  |  |  |  |  |  |  |
Deducted from accounts and notes receivable: |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts | $ | 9 |  |  | $ | 13 |  |  | $ | 3 | (c) |  | $ | (11 | )(a) |  | $ | 14 |
Reserve for losses on uncompleted contracts | $ | 6 |  |  | $ | 12 |  |  | $ | — |  |  | $ | (8 | ) |  | $ | 10 |
Reserve for potentially disallowable costs incurred under government contracts | $ | 55 |  |  | $ | 5 |  |  | $ | — |  |  | $ | (2 | ) |  | $ | 58 |
Year ended December 31, 2018: |  |  |  |  |  |  |  |  |
Deducted from accounts and notes receivable: |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts | $ | 12 |  |  | $ | 3 |  |  | $ | — |  |  | $ | (6 | )(a) |  | $ | 9 |
Reserve for losses on uncompleted contracts | $ | 15 |  |  | $ | 9 |  |  | $ | — |  |  | $ | (18 | ) |  | $ | 6 |
Reserve for potentially disallowable costs incurred under government contracts | $ | 60 |  |  | $ | 13 |  |  | $ | 2 | (b) |  | $ | (20 | ) |  | $ | 55 |
Year ended December 31, 2017: |  |  |  |  |  |  |  |  |
Deducted from accounts and notes receivable: |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts | $ | 14 |  |  | $ | — |  |  | $ | — |  |  | $ | (2 | )(a) |  | $ | 12 |
Reserve for losses on uncompleted contracts | $ | 63 |  |  | $ | 4 |  |  | $ | — |  |  | $ | (52 | ) |  | $ | 15 |
Reserve for potentially disallowable costs incurred under government contracts | $ | 73 |  |  | $ | 1 |  |  | $ | — |  |  | $ | (14 | ) |  | $ | 60 |
(a) | Receivable write-offs, net of recoveries
(b) | Reserves of $2 million were recorded in the 2018 acquisition of SGT
(c) Reserves of $3 million was recorded as a reduction in revenue

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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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