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Restructuring	12 Months Ended
Restructuring	Dec. 31, 2022
Restructuring Charges [Abstract]
Restructuring	RESTRUCTURING We periodically initiate restructuring programs to support new business strategies and to enhance our overall effectiveness and efficiency. In connection with these programs, we will typically incur severance and other exit costs. We had $135 million, $67 million and $197 million accrued in total restructuring reserves as of December 31, 2022, 2021 and 2020, respectively. Restructuring expense, which primarily relates to new severance charges, net of revisions to existing reserves, was $142 million, $(10) million and $125 million for the years ended December 31, 2022, 2021 and 2020, respectively. The cumulative expense relating to the restructuring programs that were in progress during 2022 and initiated at various dates between 2019 and 2022 was $270 million, the majority of which has been reflected within Corporate & Other.