Investments in Equity Securities (Investment in ABI Narrative) (Details) - ABI [Member] - USD ($) shares in Millions, $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	10.00%
Number of restricted shares owned (in shares)	185
Number of ordinary shares owned (in shares)	12
Fair Value, Inputs, Level 1 [Member]
Schedule of Equity Method Investments [Line Items]
Fair value of equity investment	$ 11,200	$ 11,900
Equity method investment, difference between carrying amount and fair value	$ 9,300	$ 9,000
Equity method investment, difference between carrying amount and fair value, percentage (approximately)	20.00%	33.00%