XML 40 R28.htm IDEA: XBRL DOCUMENT v3.20.2
INCOME TAXES (Tables)
9 Months Ended
Sep. 30, 2020
Income Tax Disclosure [Abstract]  
Schedule of unrecognized tax benefits
The following table summarizes the activity related to our unrecognized tax benefits (excluding interest and penalties) during the nine months ended September 30, 2020.
($ in millions)Unrecognized Tax Benefits
Balance at December 31, 2019$21 
Increases related to tax positions taken during the current period
Decreases related to settlements with taxing authorities(14)
Decreases related to tax positions taken during a prior period(1)
Balance at September 30, 2020$