This assumes a similar format as last time in terms of guaranteed conference payments vs performance/acadamics/operating expenses. But its tilted more in favor of the Big 10 and SEC.

$2B per year pie

$1.4B or 70% guaranteed to conferences
22.5% of $1.4B to SEC and Big 10 is $315M per year or roughly $20M per school
12.5% of $1.4B to Pac 12, Big 12, ACC is $175M per year or roughly $12-15M per year per school.
17.5% to G5 is $49M per year or $3-4M per year per school

$600M or 30% to academics, operating expenses, performance
$10M per playoff appearance over 11 games (22 appearances) is $220M
Remaining $380M for operating expenses and academics

So if the SEC gets 4 teams in the playoff resulting in 8 appearances, they'll get $395M from the playoff.

Assume ACC gets 1 team losing the opening game, that's $185M.

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Since 70% of the money is guaranteed, you can see that there is real game of thrones type incentive to devour the Pac 12 (and ACC), thus increasing the percentage allocation to the remaining P3.

Assume all of the worthy Pac 12/ACC programs are swallowed up by the Big 10, SEC and Big 12 and the remainder go G5, then the picture looks like this:

$1.4B guaranteed distribution
33.3% to Big 10
33.3% to SEC
16.7% to Big 12
16.7% to G5

Now the SEC and Big 10 get $467M in guaranteed money, an increase of $152M for the addition of 4 to 8 more teams. And more playoff participation money.