 | de-gaap-ci:bs.eqLiab.accruals.pensions.upTo1year | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases |
 | de-gaap-ci:bs.eqLiab.accruals.pensionsOtherForeign | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.direct | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.shareholder | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.other | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.offsetAssets | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.externalFunds | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.above1year | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.upTo1year | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableBalanceSheetForProfitOrganisationsAndUtilities |
 | de-gaap-ci:bs.eqLiab.accruals.pensionsOtherForeign | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableBalanceSheetForProfitOrganisationsAndUtilities |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.direct | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableBalanceSheetForProfitOrganisationsAndUtilities |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.shareholder | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableBalanceSheetForProfitOrganisationsAndUtilities |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.other | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableBalanceSheetForProfitOrganisationsAndUtilities |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.offsetAssets | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableBalanceSheetForProfitOrganisationsAndUtilities |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.externalFunds | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableBalanceSheetForProfitOrganisationsAndUtilities |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.above1year | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableBalanceSheetForProfitOrganisationsAndUtilities |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.upTo1year | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/balanceSheet |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.above1year | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/balanceSheet |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.direct | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/balanceSheet |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.externalFunds | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/balanceSheet |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.offsetAssets | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/balanceSheet |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.other | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/balanceSheet |
 | de-gaap-ci:bs.eqLiab.accruals.pensionsOtherForeign | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/balanceSheet |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.shareholder | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/balanceSheet |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.direct | summation-item | http://www.xbrl.de/taxonomies/de-gaap-ci/role/balanceSheet |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.externalFunds | summation-item | http://www.xbrl.de/taxonomies/de-gaap-ci/role/balanceSheet |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.other | summation-item | http://www.xbrl.de/taxonomies/de-gaap-ci/role/balanceSheet |
 | de-gaap-ci:bs.eqLiab.accruals.pensionsOtherForeign | summation-item | http://www.xbrl.de/taxonomies/de-gaap-ci/role/balanceSheet |
 | de-gaap-ci:bs.eqLiab.accruals.pensions.shareholder | summation-item | http://www.xbrl.de/taxonomies/de-gaap-ci/role/balanceSheet |