In case of a double spend (after double spend and prior getting resolved) what is actual account balance?

In case of a double spend (after double spend and prior getting resolved) what is actual account balance?

For eg. if Ta and Tb are a double spend of the same transaction with different outputs. These two transactions can flow through different path in the network, and assume flow in exactly opposite path. So Ta reaches miner Ma who creates a block and Tb reaches another miner Mb. Now, Ma may solve the block with Ta and Mb with Tb. Both start broadcasting the respective blocks with Ta and Tb to be a part of block chain (fork created here).

After fork is created and before it is resolved, what is actual balance appearing on the account? Is it double down and gets credited later on?

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