XML 103 R94.htm IDEA: XBRL DOCUMENT
v3.22.1

Equity Items - Summary of Reconciliation of Changes in Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021
Balance, end of period |  | $ 3,381 | $ 3,114 | $ 3,381 | $ 3,114
Cash dividends declared per common share |  | $ 0.300 | $ 0.275 | $ 0.600 | $ 0.550
Common Stock and Paid in Capital [Member] |  |  |  |  |
Balance, beginning of period |  | $ 328 | $ 771 | $ 328 | $ 770
Compensation expense and common shares issued | [1] | 4 | 2 | 4 | 3
Common shares purchased under repurchase program | [2] | (155) | 0 | (155) | 0
Balance, end of period |  | 177 | 773 | 177 | 773
Retained earnings [Member] |  |  |  |  |
Balance, beginning of period |  | 2,827 | 2,686 | 2,796 | 2,649
Adoption of new accounting pronouncements |  | 0 | 0 | 0 | (2)
Net income |  | 786 | 41 | 834 | 97
Regular dividends |  | (17) | (17) | (34) | (34)
Balance, end of period |  | 3,596 | 2,710 | 3,596 | 2,710
Accumulated other comprehensive income (loss) [Member] |  |  |  |  |
Balance, beginning of period |  | (392) | (335) | (372) | (383)
Unrealized translation gain (loss) |  | (5) | (34) | (21) | 14
Unrealized gain on commodity hedges |  | 5 | 0 | 1 | 0
Balance, end of period |  | $ (392) | $ (369) | $ (392) | $ (369)
[1] | Common shares issued were 13,935 shares and 41,512 shares for the three months ended March 31, 2022 and 2021, respectively, and 108,650 shares and 140,706 shares for the six months ended March 31, 2022 and 2021, respectively.
[2] | Common shares repurchased were 2,403,380 shares for the three and six months ended March 31, 2022.

X
- Definition Reconciliation of changes in stockholders equity. + References No definition available. + Details
Name: | ash_ReconciliationOfChangesInStockholdersEquity
Namespace Prefix: | ash_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Reconciliation of changes in stockholders equity common stock dividends per share declared. + References No definition available. + Details
Name: | ash_ReconciliationOfChangesInStockholdersEquityCommonStockDividendsPerShareDeclared
Namespace Prefix: | ash_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reconciliation of changes in stockholders equity dividends common stock cash. + References No definition available. + Details
Name: | ash_ReconciliationOfChangesInStockholdersEquityDividendsCommonStockCash
Namespace Prefix: | ash_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Reconciliation of changes in stockholders equity new accounting pronouncement or change in accounting principle effect of adoption quantification. + References No definition available. + Details
Name: | ash_ReconciliationOfChangesInStockholdersEquityNewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification
Namespace Prefix: | ash_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Reconciliation of changes in stockholders equity other comprehensive income loss foreign currency transaction and translation adjustment net of tax. + References No definition available. + Details
Name: | ash_ReconciliationOfChangesInStockholdersEquityOtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
Namespace Prefix: | ash_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Reconciliation of changes in stockholders equity profit loss. + References No definition available. + Details
Name: | ash_ReconciliationOfChangesInStockholdersEquityProfitLoss
Namespace Prefix: | ash_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Reconciliation of changes in stockholders equity stock issued during period value share based compensation. + References No definition available. + Details
Name: | ash_ReconciliationOfChangesInStockholdersEquityStockIssuedDuringPeriodValueShareBasedCompensation
Namespace Prefix: | ash_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Reconciliation of changes in stockholders equity stock purchased under repurchase program. + References No definition available. + Details
Name: | ash_ReconciliationOfChangesInStockholdersEquityStockPurchasedUnderRepurchaseProgram
Namespace Prefix: | ash_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Reconciliation of changes in stockholders equity unrealized gain on commodity hedges. + References No definition available. + Details
Name: | ash_ReconciliationOfChangesInStockholdersEquityUnrealizedGainOnCommodityHedges
Namespace Prefix: | ash_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockIncludingAdditionalPaidInCapitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_RetainedEarningsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedOtherComprehensiveIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |