Consolidated Statements of Financial Position (Parentheticals) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Allowance for credit losses	$ 457	$ 424
Shareholder's Equity:
Common stock - par value	$ 1	$ 1
Common stock - authorized	2,000	2,000
Common stock - issued	1	1
Common stock - outstanding	1	1

Face amount or stated value per share of common stock.

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