XML 47 R37.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Stock Incentive Plans (Tables) | 3 Months Ended
--- | ---
Dec. 31, 2018
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Components of Stock-Based Compensation Expense Included in Continuing Operations | The components of Ashland’s pre-tax stock-based compensation expense included in continuing operations are as follows:
| Three months ended |
| December 31 |
(In millions) | 2018 (a) |  |  | 2017 (b) |
SARs | $ | 2 |  |  | $ | 1 |
Nonvested stock awards |  | 4 |  |  |  | 6 |
Performance share awards |  | — |  |  |  | 4 |
| $ | 6 |  |  | $ | 11 |
| (a) | Included $1 million of expense related to cash-settled nonvested restricted stock awards and $2 million of income related to cash-settled performance units during the three months ended December 31, 2018. |
| (b) | Included $2 million of expense related to cash-settled nonvested restricted stock awards and $2 million of expense related to cash-settled performance units during the three months ended December 31, 2017. |

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

X
- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration