Dicta of accounting fundamentals puts most common stock par value nearly zero (sometimes a dollar or a penny); premium paid over par when there's a tender offer is considered Additional Paid-in Capital, itemized under shareholder equity, along with Retained Earnings, which he says is $236B in toto once the negative balances of the SPSs are essentially reversed.
FHFA provides the definition of Common Equity. Common Equity TIER 1 capital = Common Equity TIER 1 capital elements + regulatory adjustments. 12 CFR 1240.20(b) The Common Equity TIER 1 capital elements are: +Common stock par value, less Treasury Stock (stock buybacks) +Paid-In Capital +Retained Earnings account +AOCI