Nicole Kidman has hinted that she may leave her Hollywood career behind.According to Reuters, the Australian actress suggested that she may take time out to have more children.She said: "In terms of my future as an actor and stuff, I don't know. I am in a place in my life where... I've had some great opportunities and I may just choose to have some more children."I've no idea what is in my future but I am very at peace with where I want to be. There are many things I want to do besides act."Kidman's latest film, the World War II epic Australia, opens in UK cinemas on Boxing