: Initially, the Marriott Rewards and Starwood Preferred Guest (SPG) programs remained separate but allowed members to link accounts and transfer points. In February 2019, these were fully unified into a single program called Marriott Bonvoy .

: Marriott's existing portfolio (including The Ritz-Carlton and Courtyard) joined forces with Starwood’s iconic lifestyle brands like Sheraton , Westin , W Hotels , and St. Regis .

: The deal followed a high-profile bidding war, with Marriott eventually outbidding a consortium led by China's Anbang Insurance Group. The "Starwood" Name Today Starwood Acquisition & Historical Information