XML 36 R43.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Significant Accounting Policies (Components Of Investments) (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Significant Accounting Policies [Abstract]    
Equity method investments [1] $ 22 $ 23
Investment in equity securities at adjusted cost [2] 5 25
Investments in equity securities at fair value 36  
Investments in exchange memberships and equity securities of certain exchanges 3 5
Total investments $ 66 $ 53
[1] The Company’s share of income or losses is included in other income in the consolidated statements of comprehensive income.
[2] These investments do not qualify for equity method of accounting and the dividends received are included in other income in the consolidated statements of comprehensive income.