A news report, citing sources close to the talks, said execs at the two firms had met several weeks ago and had spent several hours looking at whether a strategic combination might make sense.
HPE is expected to have $33 billion in annual revenue after the spinoff and will concentrate on its remaining enterprise group that includes its cloud services business and makes servers, routers and switches.
Cruise founder and CEO Kyle Vogt has filed a complaint in San Fracisco Superior Court against a man he says is falsely claiming a stake in the company.
The merger would have allowed New York-based Pfizer to cut its tax bill by an estimated $1 billion annually by domiciling in Ireland, where tax rates are lower.
More than a year ago, Staples offered to buy Office Depot in a transaction then valued at about $5.5 billion, pressured by declining sales in the office supplies sector and the rise of rivals.