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Valuation and Qualifying Accounts | 12 Months Ended
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Sep. 30, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
VALUATION AND QUALIFYING ACCOUNTS | JOHNSON CONTROLS INTERNATIONAL PLC AND SUBSIDIARIES SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (In millions)
Year Ended September 30, | 2019 |  | 2018 |  | 2017
Accounts Receivable - Allowance for Doubtful Accounts |  |  |  |  |
Balance at beginning of period | $ | 169 |  |  | $ | 172 |  |  | $ | 168 |
Provision charged to costs and expenses | 37 |  |  | 14 |  |  | 25 |
Accounts charged off, net of recoveries | (21 | ) |  | (17 | ) |  | (41 | )
Acquisition (divestiture) of businesses | (10 | ) |  | — |  |  | 18 |
Currency translation | (2 | ) |  | — |  |  | 2 |
Balance at end of period | $ | 173 |  |  | $ | 169 |  |  | $ | 172 |
Deferred Tax Assets - Valuation Allowance |  |  |  |  |
Balance at beginning of period | $ | 5,088 |  |  | $ | 3,735 |  |  | $ | 3,290 |
Allowance provision for new operating and other loss carryforwards | 195 |  |  | 1,639 |  |  | 550 |
Allowance provision benefits | (215 | ) |  | (286 | ) |  | (158 | )
Acquisition of businesses | — |  |  | — |  |  | 53 |
Balance at end of period | $ | 5,068 |  |  | $ | 5,088 |  |  | $ | 3,735 |

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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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