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Other Expenses, Net (Notes)
 9 Months Ended
Sep. 30, 2021
Other Income and Expenses [Abstract]  
Other Expenses, Net Other Expenses, Net
Other expenses, net consist of the following for the periods presented:

Three Months Ended September 30, Nine Months Ended September 30,
2021202020212020
Loss on extinguishment of debt (see Note 6)$(69)$(58)$(144)$(121)
Gain (loss) on financial instruments, net (see Note 9)(64)69 (107)(185)
Net periodic pension benefits (costs) (see Note 21)(15)(115)176 (94)
Loss on equity investments, net (see Note 3)(9)(13)(162)(13)
$(157)$(117)$(237)$(413)