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Deferred Revenue And Remaining Performance Obligations
6 Months Ended
Jun. 30, 2023
Revenue Recognition and Deferred Revenue [Abstract]  
Deferred Revenue And Remaining Performance Obligations
NOTE 9. DEFERRED REVENUE AND REMAINING PERFORMANCE OBLIGATIONS
Deferred Revenue
Changes in our deferred revenue during the second quarter of 2023 and 2022 were as follows: 
  Second Quarter of First Two Quarters of
(In millions) 2023202220232022
Beginning balance of the period$760.8 $703.9 $737.6 $631.8 
Revenue recognized from prior year-end(141.7)(127.2)(435.2)(361.8)
Billings net of revenue recognized from current year126.5 108.5 443.2 415.2 
Ending balance of the period$745.6 $685.2 $745.6 $685.2 
Remaining Performance Obligations
At the end of the second quarter of 2023, approximately $1.6 billion of revenue is expected to be recognized from remaining performance obligations for which goods or services have not been delivered, primarily subscription, software, and software maintenance, and to a lesser extent, hardware and professional services contracts. We expect to recognize $1.2 billion or 71% of our remaining performance obligations as revenue during the next 12 months and the remainder thereafter.