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Fair Value of Financial Instruments
9 Months Ended
Sep. 30, 2021
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments FAIR VALUE OF FINANCIAL INSTRUMENTS
We believe that the fair values of our current assets and current liabilities approximate their reported carrying amounts. We present the carrying values and the fair values of noncurrent financial assets and liabilities that qualify as financial instruments in the following table:
 September 30, 2021December 31, 2020
($ in millions)Carrying AmountFair ValueCarrying AmountFair Value
Senior, mezzanine, and other loans$141 $127 $159 $142 
Total noncurrent financial assets$141 $127 $159 $142 
Senior Notes$(8,242)$(8,845)$(8,031)$(8,941)
Credit Facility(750)(750)(900)(900)
Other long-term debt(131)(134)(126)(128)
Other noncurrent liabilities(411)(411)(426)(426)
Total noncurrent financial liabilities$(9,534)$(10,140)$(9,483)$(10,395)
See Note 13. Fair Value of Financial Instruments and the “Fair Value Measurements” caption of Note 2. Summary of Significant Accounting Policies of our 2020 Form 10-K for more information on the input levels we use in determining fair value.