| Line | Roll Up Total Concept | Roll Up Items Concept | Count |
|---|---|---|---|
| 1 | rio:PostemploymentBenefitExpenseDefinedBenefitAndContributionPlans | ifrs-full:PostemploymentBenefitExpenseDefinedBenefitPlans | 1 |
| 2 | rio:PostemploymentBenefitExpenseDefinedBenefitAndContributionPlans | rio:ContributionsToDefinedContributionAndIndustryWidePlans | 1 |
(Note that this is a work in progress!)