| r0.c0 | /Carrying amount at end of period | de-gaap-ci:all_short | xbrli:monetaryItemType | duration | * | * |
| r0.c1 | /Cost at beginning of period | de-gaap-ci:grossCost.beginning_short | xbrli:monetaryItemType | duration | * | * |
| r0.c2 | /Additions | de-gaap-ci:gross.addition_short | xbrli:monetaryItemType | duration | * | * |
| r0.c3 | /Additions, of which capitalised interest for debt-equivalent capital | de-gaap-ci:gross.addition_short.interest | xbrli:monetaryItemType | duration | * | * |
| r0.c4 | /Disposals | de-gaap-ci:gross.release_short | xbrli:monetaryItemType | duration | * | * |
| r0.c5 | /Reclassifications | de-gaap-ci:gross.movements_short | xbrli:monetaryItemType | duration | * | * |
| r0.c6 | /Cumulative depreciation, amortisation and write-downs | de-gaap-ci:DeprPeriod_short | xbrli:monetaryItemType | duration | * | * |
| r0.c7 | /Reversals of write-downs | de-gaap-ci:gross.revaluation_short | xbrli:monetaryItemType | duration | * | * |
| r0.c8 | /Depreciation, amortisation and write-downs in the period | de-gaap-ci:accDepr.DeprPeriod_short | xbrli:monetaryItemType | duration | * | * |
| r0.c9 | /of which write-downs, accelerated tax depreciation, other deductions | de-gaap-ci:accDepr.DeprPeriod.specific_short | xbrli:monetaryItemType | duration | * | * |
| r0.c10 | /Carrying amount at end of prior-year period | de-gaap-ci:all_Prev_period_short | xbrli:monetaryItemType | duration | * | * |