XML 53 R28.htm IDEA: XBRL DOCUMENT
v3.8.0.1

SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
--- | ---
Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS | SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS For the Years Ended December 31, 2017, 2016 and 2015
|  | (In Millions) |
Column A |  | Column B |  | Column C |  |  | Column D |  |  | Column E
|  |  |  | Additions |  |  |  |  |  |
Description |  | Balance at Beginning of Period |  | Charged to Costs and Expenses |  | Charged to Other Accounts |  |  | Deductions |  |  | Balance at End of Period
Allowances for doubtful accounts, deducted from accounts receivable in the balance sheet (e): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2017 |  | $ | 11 |  |  | $ | 5 |  |  | $ | — |  |  |  | $ | (3 | ) |  | (a) | $ | 13 |
2016 |  | $ | 11 |  |  | $ | 4 |  |  | $ | — |  |  |  | $ | (4 | ) |  | (a) | $ | 11 |
2015 |  | $ | 14 |  |  | $ | 4 |  |  | $ | — |  |  |  | $ | (7 | ) |  | (a) | $ | 11 |
Valuation allowance on deferred tax assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2017 |  | $ | 45 |  |  | $ | — |  |  | $ | 2 |  |  | (b) | $ | — |  |  |  | $ | 47 |
2016 |  | $ | 49 |  |  | $ | 11 |  |  | $ | — |  |  |  | $ | (15 | ) |  | (c) | $ | 45 |
2015 |  | $ | 66 |  |  | $ | 36 |  |  | $ | — |  |  |  | $ | (53 | ) |  | (d) | $ | 49 |
(a) | Deductions, representing uncollectible accounts written off, less recoveries of accounts written off in prior years.
(b) | $2 million adjustment to the valuation allowance was recorded primarily in other comprehensive income (loss).
(c) | Write off $13 million of deferred tax assets on certain state and local net operating loss carryforwards against the valuation allowance, as it was determined that there was only a remote likelihood that such carryforwards could be utilized; and, $2 million adjustment to the valuation allowance was recorded primarily in other comprehensive income (loss).
(d) | Valuation allowance on deferred tax assets allocated to TopBuild due to its spin off into a separate stand-alone company on June 30, 2015.
(e) | Amounts exclude discontinued operations.

X
- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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
Name: | us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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