| r0.c0 | GAS 22 Commercial partnership, Changes in carrying amounts in statement of changes in equity [dimension]/ | de-gaap-ci:eqCh_primaryItemDRS22P | xbrli:stringItemType | duration | * | * |
| r1.c0 | GAS 22 Commercial partnership, Ending balance/ | de-gaap-ci:eqCh.group_allDRS22P | xbrli:monetaryItemType | duration | * | * |
| r2.c0 | GAS 22 Commercial partnership, Beginning balance/ | de-gaap-ci:eqCh.group_beginningDRS22P | xbrli:monetaryItemType | duration | * | * |
| r3.c0 | Increase/decrease in capital shares/ | de-gaap-ci:eqCh.group_.increaseDecreaseSharesDRS22P | xbrli:monetaryItemType | duration | * | * |
| r4.c0 | GAS 22 Commercial partnership, calls on/contributions to uncalled unpaid capital/ | de-gaap-ci:eqCh.group_recPaidUnpaidContributionDRS22P | xbrli:monetaryItemType | duration | * | * |
| r5.c0 | Credit to partner accounts recognised as a liability/ | de-gaap-ci:eqCh.group_additionPartnersAccountLiabDRS22P | xbrli:monetaryItemType | duration | * | * |
| r6.c0 | Transfers to withdrawals from reserves/ | de-gaap-ci:eqCh.group_additionReleaseReservesDRS22P | xbrli:monetaryItemType | duration | * | * |
| r7.c0 | Commercial partnership, currency translation/ | de-gaap-ci:eqCh.group_currTranslDRS22P | xbrli:monetaryItemType | duration | * | * |
| r8.c0 | Commercial partnership, other changes/ | de-gaap-ci:eqCh.group_otherChangesDRS22P | xbrli:monetaryItemType | duration | * | * |
| r9.c0 | Commercial partnership, disclosure to other changes, if material/ | de-gaap-ci:eqCh.group_otherChangesDRS22P.comment | xbrli:stringItemType | duration | * | * |
| r10.c0 | Commercial partnership, Changes in carrying amounts, net income/net loss for the financial year/ | de-gaap-ci:eqCh.group_netIncomeDRS22P | xbrli:monetaryItemType | duration | * | * |