But it's not $20B in the bank, it's a commitment to buy $20B worth of phones over four years. Assuming 50% margin on Apple's side, this deal is worth about $2.5B/year. Compared to Apple's revenue of $65B/year or profit of $18B/year, this is peanuts, and not worth any sort of beating, especially since many of the sales they would make from such a deal would not be new, but merely shifted.