CONDENSED CONSOLIDATED BALANCE SHEETS PARENTHETICAL - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Available for Sale at Fair value - Amortized cost	$ 62,332	$ 59,663
Preferred stock par value (per share)	$ 10,000.00
Common stock par value (per share)	$ 10,000.00	$ 10,000.00
Common stock shares authorized	140,000,000,000,000	140,000,000,000,000
Common Stock, Shares, Issued	85,310,598,000,000	85,310,598,000,000
Allowance for Loan and Lease Losses, Real Estate	$ 74	$ 51
Financing Receivable, Allowance for Credit Loss	$ 68	37
Preferred stock shares authorized	10,000,000,000,000
Real Estate Investments, Joint Ventures	$ 2,560	2,327
Market Risk Benefit, Net Amount at Risk	$ 224	$ 247
Treasury Stock, Common, Shares	19,438,385,000,000	18,634,390,000,000
Preferred stock shares authorized	10,000,000,000,000