O dan y ffigurau pennawd, mae’n bwysig deall bod cyllideb pob un o Adrannau Whitehall wedi cael ei brigdorri er mwyn ariannu rhai o gyhoeddiadau polisi’r Canghellor.
Below the headline figures, it is important to understand that in order to fund some of the Chancellor’s policy announcements each Whitehall Department had its budget top-sliced.