The bigger story in all of this is the follow on to the answer to: "how do they plan to pay for it?"

They plan to pay for most of it through excess cash flow, aka profits.

Follow on question: "they make $100s of billions per year? what did they do with all that previously?"

Answer: share buybacks, nothing (aka put it in the bank), acquisitions.

These companies make a ton of money and have a ton of margin over expenses.