share and share alike

1idiomaticFor members of a group, equal portions of or equal access to tangible or intangible goods, entitlements, or obligations—i.e., each person's share like each of the other shares. Often used in a context of reciprocity, or pooling resources.
2(law) Equal rights to or equal portions of profits, assets, bequests, or other valuable items legally owed to investors, partners, beneficiaries, or other named associates. If one beneficiary is unable to benefit (for instance, if they have died), their share is divided among the others.

1idiomatic, intransitiveTo divide possessions, benefits, or obligations equally among members of a group.