Complex sentence: This eclipsed the previous record for naming rights to an American indoor arena, set by Royal Philips Electronics in 1999, for $185 million over 20 years paid to name Philips Arena in Atlanta.
Split into simpler sentences: This eclipsed the previous record for naming rights to an American indoor arena. The previous record, set by Royal Philips Electronics in 1999, was for $185 million over 20 years paid to name Philips Arena in Atlanta.