The latest round of job cuts follows the elimination of 1,700 positions in 1998 and 1999.
It has already announced the elimination of 3,000 jobs, which will require special one-time charges.
The streamlining included the elimination of 2,000 of the Port Authority's 9,200 jobs.
Now at 12percentt, it is sharply higher than any other year since 1996, even with the elimination of 5,200 positions this year.
The shakeup included the elimination of 3,500 jobs in its investment banking division over the next three years.
The 6,000 reduction comes on top of the elimination of 5,000 jobs, half through attrition, announced by Aetna last December.
The elimination of 1,500 workers and the transfer of some operations to Mexico cost $124.4 million before taxes in the quarter.
The elimination of 1,500 administrative positions over three years, producing anticipated savings of $300 million to $500 million, was large enough to impress many.
Halifax and Bank of Scotland said they expected cost savings of $420 million from the elimination of 2,000 jobs, 3percentt of the combined work force, over three years.
The bank said its plan to reduce costs, which include the elimination of 3,500 jobs, was on track.
The letter also pointed to the risks of extensive blasting; the elimination of 5,100 trees; the destruction of wetlands, and the potential for erosion.
